Casio E-Con EA-200 Software User's Guide PDF

RJA510188-4

E

E-Con EA-200 Application

for ClassPad 300/ClassPad 300 PLUS ClassPad 330/ClassPad 330 PLUS ClassPad II

Users Guide

CASIO Education website URL

http://edu.casio.com Access the URL below and register as a user.

http://edu.casio.com/dl/

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Using the E-Con EA-200 Application The E-Con EA-200 application makes it possible for you to control a CASIO EA-200 Data Analyzer from a connected ClassPad. It allows you to perform the following operations from the ClassPad unit. Configuring EA-200 sampling parameters Starting and ending an EA-200 sampling operation Saving sample data Analysis and graphing of sample data

Note The operations and screen shots in this manual are based on the ClassPad calculators below. ClassPad 300/ClassPad 300 PLUS ClassPad 330/ClassPad 330 PLUS

Though you can also perform the operations in this manual on a ClassPad II, note the differences in menu names below.

Users Guide ClassPad II Store Save Recall Open SetMem File

In this manual, references to the ClassPad 300/ClassPad 300 PLUS Uses Guide should be read as the Users Guide that came with your ClassPad.

All of the explanations provided here assume that you are already familiar with the operating precautions, terminology, and operational procedures of the ClassPad 300/ClassPad 300 PLUS/ClassPad 330/ClassPad 330 PLUS/ClassPad II and the EA-200.

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Contents

1 E-Con EA-200 Application Overview .............................................................. 1-1 Starting Up the E-Con EA-200 Application ..................................................................... 1-1 E-Con EA-200 Application Windows .............................................................................. 1-1 E-Con EA-200 Application Menus and Buttons .............................................................. 1-3 E-Con EA-200 Application Status Bar ............................................................................ 1-7

2 Basic Steps for Configuring Sampling Parameters ...................................... 2-1 Configuring Parameters for Sampling with a Single Sensor .......................................... 2-1 Configuring Parameters for Sampling with Multiple Sensors ......................................... 2-7

3 Setup ................................................................................................................. 3-1 Setup Overview .............................................................................................................. 3-1 Configuring Advanced Sampling Parameters ................................................................ 3-2 Modes ............................................................................................................................ 3-3 Mode Parameters ........................................................................................................... 3-5 Configuring Graph Window Options .............................................................................. 3-11 Using a Custom Probe ................................................................................................. 3-12

4 Using Setup Memory ....................................................................................... 4-1 Setup Memory Data File Contents ................................................................................. 4-1 Saving and Recalling Setup Data .................................................................................. 4-1

5 Executing a Sampling Operation .................................................................... 5-1 Starting the Sampling Operation .................................................................................... 5-1 Operations Performed during Sampling ......................................................................... 5-2 Saving Sample Data ...................................................................................................... 5-5

6 Outputting a Function to the Speaker ............................................................ 6-1

7 Using the Multimeter Window ......................................................................... 7-1 Viewing Sample Data on the Multimeter Window .......................................................... 7-1 Saving Sample Data from the Multimeter Window ......................................................... 7-4

8 Graphing Data .................................................................................................. 8-1 E-Con Graph Editor Window .......................................................................................... 8-1 Drawing a Graph ............................................................................................................ 8-5

9 E-Con Graph Window Operations .................................................................. 9-1 Zooming a Graph ........................................................................................................... 9-1 Displaying and Hiding Graph Display Components ....................................................... 9-3 Scrolling a Graph ........................................................................................................... 9-4 Using Trace .................................................................................................................... 9-5 Calculating the Periodic Frequency ................................................................................ 9-6 Analyzing a Graph Using Fourier Series Expansion ...................................................... 9-7 Saving Sample Data ...................................................................................................... 9-9 Outputting a Graph as a Sound from the Speaker ....................................................... 9-13 E-Con Graph Window Operations when Speaker (Sample Data) is Selected ............. 9-14 Dropping E-Con Graph Window Data into a ClassPad Built-in Application ................. 9-15

10 Sensor List ........................................................................................................ 10-1

Contents 1

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1-1 E-Con EA-200 Application Overview

1 E-Con EA-200 Application Overview This chapter describes the configuration of the E-Con EA-200 application screen, and provides basic information about its menus and commands.

Starting Up the E-Con EA-200 Application

uClassPad Operation (1) On the ClassPad application menu, tap the down arrow in the upper right corner and

then select [Additional] or [All] from the dropdown list.

(2) On the application menu, tap . This starts up the E-Con EA-200 application and displays a Sensor Setup window.

E-Con EA-200 Application Windows

The E-Con EA-200 application has three windows: a Sensor Setup window, an E-Con Graph Editor window, and an E-Con Graph window. Only the Sensor Setup window is visible when you start up the E-Con EA-200 application. You can have any two of the three windows (Sensor Setup, E-Con Graph Editor, E-Con Graph) displayed at the same time. In addition to the three windows described above, there is also a Multimeter window, which appears on the screen during certain operations.

Sensor Setup window Multimeter window

E-Con Graph Editor window E-Con Graph window

{ {

Menu bar

Toolbar

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1-2 E-Con EA-200 Application Overview

k Sensor Setup Window This window is for selecting a sensor for each of the EA-200 channels to be used for sampling, and for configuring sampling parameters. The Sensor Setup window has two tabs.

Use this tab: When you want to do this:

Single Configure sampling parameters for a single probe

Multiple Configure parameters for simultaneous sampling with up to three probes

k E-Con Graph Editor Window This window displays the current data, which is data that is stored temporarily for each channel following a sampling operation. The E-Con Graph Editor window has three tabs.

Use this tab: When you want to do this:

Current View current data

Normal Recall saved sample data without losing the current data

Compare

You can configure separate graph settings for each of the above tabs. After selecting one of the tabs, you can then change to the E-Con Graph window and graph its data.

k E-Con Graph Window The E-Con Graph window graphs sampled data in accordance with the settings configured with the E-Con Graph Editor window. You can use the E-Con Graph window to analyze a graph be zooming it, by performing Fourier series expansion, by obtaining a periodic frequency, and more. You can also save the data for a specific range of the graph as list data or matrix data.

k Multimeter Window The Multimeter window provides real-time display of all channel measurement values during sampling. Displaying this window while the [Single] tab is active on the Sensor Setup window displays the measurement values of the CH1 or SONIC channel. When the [Multiple] tab is active, this window shows individual values for all channels that are being used for sampling.

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1-3 E-Con EA-200 Application Overview

E-Con EA-200 Application Menus and Buttons

This section provides an overview of E-Con EA-200 application menu commands and toolbar buttons.

k Menu Commands and Toolbar Buttons Common to All Windows

Tip The button for the currently active window is not displayed on the toolbar. If the Sensor Setup

window is active, for example, the C button is not on the toolbar.

Menu/Command

O Settings

Keyboard

Sensor Setup

E-Con Graph Editor

E-Con Graph

Graph Editor

Graph

List Editor

Main

Close

Button

C

c

n

!

$

(

~

v

5

Functions

See Using the O Menu on page 1-5-4 of your ClassPad 300/ClassPad 300 PLUS Users Guide.

Makes the Sensor Setup window active.

Makes the E-Con Graph Editor window active.

Makes the E-Con Graph window active.

Displays the ClassPad Graph Editor window. For details, see the section about the Graph & Table application in the ClassPad 300/ClassPad 300 PLUS Users Guide.

Displays the ClassPad Graph window. For details, see the section about the Graph & Table application in the ClassPad 300/ClassPad 300 PLUS Users Guide.

Displays the ClassPad List Editor window. For details, see the section about the Statistics application in the ClassPad 300/ClassPad 300 PLUS Users Guide.

Displays the ClassPad Main application work area window. For details, see the section about the Main application in the ClassPad 300/ClassPad 300 PLUS Users Guide.

Closes the currently active window. Note, however, that this command does not close the Sensor Setup window.

Displays the Multimeter window.

Displays the Variable Manager window. For details, see the section about the Variable Manager in the ClassPad 300/ClassPad 300 PLUS Users Guide.

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1-4 E-Con EA-200 Application Overview

k Sensor Setup Window Menus

k E-Con Graph Editor Window Menus

Menu/Command

Setup

Setup Store Mem

Recall

Tool Clear All

Version

Functions

Displays the [Graph] tab of the Setup dialog box. Only [Graph] tab settings can be configured when you open the Setup dialog box from this menu.

Saves the settings on the Sensor Setup window under a file name for later recall. Saved data includes [Single] tab and [Multiple] tab sensor selections, Setup dialog box parameter settings, and E-Con Graph Editor window settings.

Recalls saved settings to the Sensor Setup window.

Returns the sensor selections on the [Single] tab and [Multiple] tab, and all the settings on the Setup dialog box and E-Con Graph window to their initial defaults.

Displays the version dialog box.

Menu/Command

Setup

Setup Store Mem

Recall

Tool Custom New Probe Custom

Probe

Edit Custom Probe

Edit Vernier Sensor

Clear All

Version

Functions

Displays the [Sample] tab of the Setup dialog box. The Setup dialog box has a [Sample] tab for advanced sampling parameters, a [Trigger] tab for advanced trigger parameters, and a [Graph] tab for graph settings.

Saves the settings on the Sensor Setup window under a file name for later recall. Saved data includes [Single] tab and [Multiple] tab sensor selections, Setup dialog box parameter settings, and E-Con Graph Editor window settings.

Recalls saved settings to the Sensor Setup window.

Displays a dialog box for configuring a new custom probe.

Displays a dialog box for editing the settings of an existing custom probe.

Displays a dialog box for creating a new custom probe based on the settings of a Vernier sensor.

Returns the sensor selections on the [Single] tab and [Multiple] tab, and all the settings on the Setup dialog box and E-Con Graph window to their initial defaults.

Displays the version dialog box.

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Menu/Command

Zoom All Zoom

Auto

yAuto

Full

Original

Analysis Trace

Period

Fourier

Mem Store Picture

Recall Picture

All Store List

Select

Store All

Matrix Select

1-5 E-Con EA-200 Application Overview

k E-Con Graph Window Menus and Buttons

Button

b

R

N

m

Functions

Zooms all currently displayed graphs.

Resizes the y-axis so the entire graph fits in the screen. The x-axis is adjusted automatically in accordance with the number of samples.

Resizes the graph so all of it fits in the screen along the y-axis, without changing the x-axis.

Resizes the graph so all of it fits in the screen.

Resizes the y-axis in accordance with the sampling range of the sensor being used for sampling, and resizes the x-axis to a size that allows display of all data on the same screen.

Displays a cross-shaped trace cursor. The cursor keys can be used to move the trace cursor along the graph and obtain coordinate readings.

Calculates the periodic frequency for a range specified on a graph.

Uses Fourier series expansion to convert a displayed waveform graph to a function.

Saves the currently displayed graph as a graphic image (Store Picture). You can recall a saved graph image and overlay it on another graph to compare them (Recall Picture). For details, see the section about the Graph & Table application in the ClassPad 300/ClassPad 300 PLUS Users Guide.

Stores all of the sample data of the currently displayed graph as list data.

Stores the sample data in the range selected on the currently displayed graph as list data.

Displays all sample data as matrix data.

Displays the currently selected range of sample data as matrix data.

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1-6 E-Con EA-200 Application Overview

k E-Con Graph Window Menus and Buttons (Continued)

Menu/Command Functions

a Starts a process for moving one of the multiple graphs on the display. 1Move

Starts a process for zooming one of the multiple graphs on the display. 1Zoom

Outputs a specific range of the displayed graph through the speaker. Speaker Output

Changes the unit of the axes that are displayed when the E-Con Axes item on the [Graph] tab of the Setup dialog box is turned on.

Change Unit

Clears the analysis element (for example: trace pointer).Cls

When drawing multiple graphs, selecting this command changes the currently displayed source data name and axes to those of the next graph.

Change Axes

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1-7 E-Con EA-200 Application Overview

E-Con EA-200 Application Status Bar

The following shows how the status bar appears for each of the E-Con EA-200 application windows.

k Sensor Setup Window Status Bar

This item shows the currently selected sampling mode (Normal, Real-Time, Fast, Extended, or Period). For more information, see Modes on page 3-3.

k E-Con Graph Editor Window Status Bar

This item shows Axes when the E-Con Axes option is turned on, and nothing when E-Con Axes is turned off. For details about the E-Con Axes option, see Configuring Graph Window Options on page 3-11.

k E-Con Graph Window Status Bar As with ClassPad applications, tapping anywhere on the E-Con graph screen with the stylus displays the coordinates of the tapped location in the status bar.

As operations are performed on the graph screen, the status bar also displays guidance about the next operation.

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2-1 Basic Steps for Configuring Sampling Parameters

2 Basic Steps for Configuring Sampling Parameters This chapter explains the basic operations you need to perform when configuring EA-200 sampling parameters from the E-Con EA-200 application. Before performing any of the procedures in this chapter, be sure to connect the EA-200 to your ClassPad.

Configuring Parameters for Sampling with a Single Sensor

Use the [Single] tab of the Sensor Setup window to configure the parameters for a single sensor. The procedure for configuring sampling settings on the [Single] tab is similar to a Windows

Setup Wizard. As you select a sensor and input setting values on the [Single] tab, settings are adjusted automatically in order to make it possible to perform sampling properly. Even if you are configuring settings for a single sensor, you should use the [Multiple] tab when you want to configure all of the detailed settings yourself.

u To configure parameters for sampling with a single sensor (1) Start up the E-Con EA-200 application.

This displays the [Single] tab of the Sensor Setup window.

If the E-Con EA-200 application is already running and another window (besides the Sensor Setup window) is displayed, tap C to change to the Sensor Setup window.

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2-2 Basic Steps for Configuring Sampling Parameters

(3) Select the sensor you will use for sampling.

Tap one of the tabs ([CASIO], [Vernier], [Custom]), and then tap the option button next to the name of the sensor you want to select. For details about each of the selectable sensors, see the 10 Sensor List.

Tapping the [Custom] tab displays a sheet for configuring the parameters of a user- defined custom probe. For more information, see Using a Custom Probe on page 3-12.

(4) After selecting a sensor, tap [Set].

This closes the Select Sensor dialog box. The Sensor Setup window now shows the name of the sensor you selected, along with boxes for the sample range and total elapsed sampling time (Total Sampling Time).

The example screen below shows what would appear if when the CASIO Temperature (C) sensor is selected.

Name of channel where the selected sensor is connected

(2) Tap the [Sensor] box.

This displays a Select Sensor dialog box like the one shown to the right.

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2-3 Basic Steps for Configuring Sampling Parameters

If you specify a total sampling time value in the range of 10 seconds to 1 day, starting the sampling operation will automatically enter the Real-Time mode and perform real- time graphing during sampling.

(6) To apply the current settings on the Total Sampling Time dialog box, tap [Set].

This closes the Total Sampling Time dialog box, and displays the recalculated total sampling time in the Total Sampling Time box on the Sensor Setup window. See the Tip on the next page for information about how recalculation is performed.

(7) At this point you could configure advanced setup parameters, if you want.

See 3 Setup for more information.

(8) You can start sampling immediately or you can save the setup in memory for later recall.

To start sampling immediately, tap V. For more information, see 5 Executing a Sampling Operation.

To store the setup in memory, tap [SetupMem] on the menu bar, and then tap [Store]. See 4 Using Setup Memory for more information.

Use the ClassPad keyboard to input a total time value.

Tapping here displays a menu of units (msec, seconds, minutes, hours, days) for the total time.

Selecting some sensors will cause different parameters from those shown above to appear. The following table explains you should go for more information about such these sensors.

For this type of sensor: Go here for more details:

[CASIO] tab, [Microphone-FFT] See Microphone-FFT Parameters on page 2-4 for more information.

[Vernier] tab, [Photogate] See Photogate Sensor Parameters on page 2-5 or [Photogate (Pulley)] for more information.

The [Setup] menu is unavailable while [Speaker (Sample Data)] is selected on the [CASIO] tab of the Select Sensor dialog box.

When [Speaker (y = f (x))] is selected on the [CASIO] tab of the Select Sensor dialog box, sampling is not performed by a sensor. Instead, the sound of the waveform of a function input on the ClassPad is output from the EA-200s speaker. See 6 Outputting a Function to the Speaker for more information.

(5) Tap the [Total Sampling Time] box.

This displays the Total Sampling Time dialog box.

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2-4 Basic Steps for Configuring Sampling Parameters

Tip When you use the above procedure to configure sampling parameters for a single sensor, the

sampling mode is selected automatically in accordance with the specified total sampling time. In this case, the parameters of the Setup dialog boxs [Sample] tab and [Trigger] tab are also configured automatically. The current sampling mode is indicated in the status bar. For information about the mode indication in the status bar, see E-Con EA-200 Application Status Bar on page 1-7. For information about the Setup dialog boxs [Sample] tab and [Trigger] tab, see 3 Setup.

Tapping [Set] on the Total Sampling Time dialog box automatically configures the sampling interval in accordance with the total sampling time that you input on the dialog box. The number of samples value is calculate and rounded to the nearest integer. The number of samples integer value is used to recalculate the total sampling time ({Number of Samples} {Sampling Interval}), and displays the result in the Total Sampling Time box on the Sensor Setup window. All of this means that the value you input on the Total Sampling Time dialog box may not necessarily the value that appears on the Sensor Setup window.

k Microphone-FFT Parameters The [CASIO] - [Microphone-FFT] sensor option selects the EA-200s built-in microphone for sampling sound. In step (3) of the procedure under To configure parameters for sampling with a single sensor on page 2-1, select [Microphone-FFT] on the [CASIO] tab for the sensor. This causes the parameters described below to appear on the Sensor Setup window that appears in step (4).

Parameter Initial Description Default

Frequency Pitch 10 Specify the step in Hertz that should be used for sampling.

Frequency Max 4000 Specify the maximum frequency for sampling (minimum is always 0 Hz).

Tip The menu bars [Setup] button is unavailable while [Microphone-FFT] is selected.

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2-5 Basic Steps for Configuring Sampling Parameters

k Photogate Sensor Parameters Connection of a Vernier Photogate to the EA-200 requires configuration of parameters that are different from those for other types of sensors.

u To configure a setup for Photogate alone In step (3) of the procedure under To configure parameters for sampling with a single sensor on page 2-1, select [Photogate] on the [Vernier] tab for the sensor. This causes the parameters described below to appear on the Sensor Setup window that appears in step (4).

Parameter Initial Default Description

(Channel) SONIC CH1: Select this option when the Photogate sensor is connected to CH1.

SONIC: Select this option when the Photogate sensor is connected to SONIC.

Gate Status Open-Open Open-Open: Timing starts when the gate opens, and continues until it closes and then opens again.

Open-Close: Timing starts when the gate opens, and continues until it closes.

Close-Open: Timing starts when the gate closes, and continues until it opens.

Close-Close:Timing starts when the gate closes, continues until it opens, and then closes again.

Number of Samples 10 Input an integer in the range of 1 to 1000 to specify the number of samples.

Store List Folder EConSamp Specify the variable folder for storage of interval data Data and count data.

Interval Interval Input a variable name up to eight characters long for storage of interval data.

Count Count Input a variable name up to eight characters long for storage of count data.

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2-6 Basic Steps for Configuring Sampling Parameters

u To configure a setup for Photogate and Smart Pulley In step (3) of the procedure under To configure parameters for sampling with a single sensor on page 2-1, select [Photogate (Pulley)] on the [Vernier] tab for the sensor. This causes the parameters described below to appear on the Sensor Setup window that appears in step (4).

Parameter Initial Default Description

(Channel) SONIC CH1: Select this option when the Photogate (Pulley) sensor is connected to CH1.

SONIC: Select this option when the Photogate (Pulley) sensor is connected to SONIC.

Distance 1m Input a value in the range of 0.1 to 4 to specify the distance in meters.

Store List Folder EConSamp Specify the variable folder for storage of time, Data distance, velocity, and acceleration data.

Time Time Input a variable name up to eight characters long for storage of time data.

Distance Distanc Input a variable name up to eight characters long for storage of distance data.

Velocity Velocity Input a variable name up to eight characters long for storage of velocity data.

Accel Accel Input a variable name up to eight characters long for storage of acceleration data.

Tip The menu bars [Setup] button is unavailable while [Photogate] or [Photogate (Pulley)] is

selected.

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Configuring Parameters for Sampling with Multiple Sensors

Use the [Multiple] tab to configure parameters for simultaneous sampling with multiple sensors. The [Multiple] tab lets you select up to three channels for sampling, from among the EA-200s CH1, CH2, CH3, and SONIC channels.

u To configure parameters for sampling with multiple sensors (1) Start up the E-Con EA-200 application.

This displays the [Single] tab of the Sensor Setup window.

If the E-Con EA-200 application is already running and another window (besides the Sensor Setup window) is displayed, tap C to change to the Sensor Setup window.

(2) Tap the [Multiple] tab.

This displays the [Multiple] tab, which appears as shown to the right.

(3) Tap inside the box of one of the sensors you want to select ([CH1], [CH2], [CH3], [SONIC]).

This causes a Select Sensor dialog box like the one shown to the right to appear. The dialog box shown here is for CH1, CH2, and CH3.

2-7 Basic Steps for Configuring Sampling Parameters

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(4) Select the sensors you will use for sampling.

Depending on the sensors you have connected to each channel, select the [CASIO], [Vernier], or [Custom] tab and then tap the option button for the applicable sensor name. For details about the sensors that can be selected for each channel, see the 10 Sensor List.

Tapping the [Custom] tab displays a sheet for configuring the parameters of a user- defined custom probe. For more information, see Using a Custom Probe on page 3-12.

If you do not want to use a particular channel for sampling, select the [None] option on the Select Sensor dialog box.

(5) After selecting a sensor, tap [Set].

This closes the Select Sensor dialog box and displays the [Multiple] tab again (step (2)), with the name of the sensor you selected next to the channel name.

(6) Repeat steps (3) through (5) for all of the channels you want to use for sampling.

You can select sensors for up to three channels at one time.

If you select sensors for four channels, an error occurs when you start sampling. To correct the problem, display the Select Sensor dialog box for one of the channels, and then select the [None] option button to deselect it.

(7) On the menu bar, tap [Setup].

This displays the [Sample] tab of the Setup dialog box.

2-8 Basic Steps for Configuring Sampling Parameters

(8) Use the [Mode] box to select the mode you want.

For more information about modes, see Modes on page 3-3.

This causes the applicable parameters for the mode to appear on the [Sample] and [Trigger] tabs of the Setup dialog box.

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2-9 Basic Steps for Configuring Sampling Parameters

(9) Use the [Sample] and [Trigger] tabs of the Setup dialog box to configure the required parameters.

For details about the required parameters in each mode, see Mode Parameters on page 3-5.

(10) To apply the current settings on the Setup dialog box, tap [Set].

This closes the Setup dialog box.

(11) You can start sampling immediately or you can save the setup in memory for later recall.

To start sampling immediately, tap V. See 5 Executing a Sampling Operation for more information.

To store the setup in memory, tap [SetupMem] on the menu bar, and then tap [Store]. See 4 Using Setup Memory for more information.

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3-1 Setup

3 Setup This chapter explains the various parameters you can configure with the Setup dialog box.

Important! Configuring advanced setup parameters is optional in the case of single-sensor sampling.

See To configure advanced parameters for a single sensor on page 3-2.

With multiple-sensor sampling, advanced setup parameters are part of the normal configuration procedure. See steps (7) through (10) under To configure parameters for sampling with multiple sensors on page 2-7.

Setup Overview

Tapping [Setup] on the Sensor Setup window menu bar displays the Setup dialog box. The Setup dialog box has the three tabs shown below.

[Sample] Tab [Trigger] Tab [Graph] Tab

The following describes each of the tabs in detail.

[Sample] Tab and [Trigger] Tab These tabs let you configure advanced parameters for the tab ([Single] or [Multiple]) that is currently open on the Sensor Setup window. The [Sample] tab has parameters that control how sampling is performed, while the [Trigger] tab has parameters that control the event that triggers sampling. See Configuring Advanced Sampling Parameters on page 3-2 for more information.

[Graph] Tab This tab is for selecting options that control how sampled data is graphed. See Configuring Graph Window Options on page 3-11 for more information.

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3-2 Setup

Configuring Advanced Sampling Parameters

This section explains how to configure advanced sampling parameters on the [Sample] and [Trigger] tabs of the Setup dialog box.

u To configure advanced parameters for a single sensor (1) Perform steps (1) through (6) under To configure parameters for sampling with a single

sensor on page 2-1.

(2) On the menu bar, tap [Setup].

This displays the [Sample] tab of the Setup dialog box.

The initial [Mode] setting is the mode that matches the sensor that was selected on the [Single] tab.

(3) Use the [Mode] box to select the mode you want.

For more information about modes, see Modes on page 3-3.

Selecting a mode causes the applicable parameters to appear on the [Sample] and [Trigger] tabs.

(4) Use the [Sample] and [Trigger] tabs of the Setup dialog box to configure the required parameters.

For details about the required parameters in each mode, see Mode Parameters on page 3-5.

(5) After everything is the way you want, tap [Set].

This applies your settings and closes the Setup dialog box.

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3-3 Setup

(6) You can now start sampling immediately or you can save the setup in memory for later recall.

To start sampling immediately, tap V. See 5 Executing a Sampling Operation for more information.

To store the setup in memory, tap [SetupMem] on the menu bar, and then tap [Store]. See 4 Using Setup Memory for more information.

Modes

The [Mode] box at the top of the [Sample] tab of the Setup dialog box controls the current mode setting. There is a selection of five modes, depending on the type of data being sampled and the sampling method: Normal, Real-Time, Fast, Extended, and Period. The Normal, Real-Time, Fast, and Extended modes are normally available, while the Period mode is available in special cases only.

k Normal Mode This general-purpose mode can be used for a wide range of sampling applications. The Normal Mode is used for relatively short sampling. When the Normal Mode is selected, you need to specify the sampling interval, the number of samples, and the timing of the start trigger.

k Real-Time Mode Basically, the Real-Time Mode is the same as the Normal Mode, except that it produces a real-time graph of data as it is sampled. Use this mode when you need to graphically monitor changes in sampled values as they are being sampled.

k Fast Mode Use this mode when sampling a sound waveform or when other very fast sampling is required. This mode can be selected only when CH1 or MIC is being used for sampling. This mode is selected automatically whenever sampling is performed using the microphone. In this mode, the sampling interval can be set to a very short interval in the range of 20 sec to 500 sec.

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3-4 Setup

k Extended Mode The Extended Mode is the opposite of the Fast Mode in that it allows setting of a long sampling interval. In this mode, the sampling interval can be set in a range of 5 to 240 minutes. This mode is best for sampling data like temperature or humidity over a long period.

k Period Mode The Period Mode is for sampling data that changes periodically. Samples recorded by the Period Mode differ from the samples recorded in other modes as shown below.

Sampled Values

Time

Sampling Interval

Number of Samples

Other Modes Period Mode

Unlike the other modes that record time and sampled values, the Period Mode records the number of samples (1st sample, 2nd sample, and so on) and the intervals between samples. For details, see Period Mode Parameters on page 3-7.

Tip If you display the Setup dialog box from the [Multiple] tab of the Sensor Setup window, the [Mode]

box will allow selection of the Normal, Real-Time, or Extended mode only.

Note that the availability of modes depends on the sensor being used for sampling. Certain sensors allow selection of particular modes only.

The currently selected mode is shown in the status bar of the Sensor Setup window.

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3-5 Setup

Mode Parameters

This section explains the parameters that can be configured on the [Sample] tab and [Trigger] tab of the Setup dialog box, in accordance with the mode selected on the [Sample] tab.

k Parameters Common to All Modes The following explains the parameters that normally appear, regardless of the currently selected mode.

Sampling Interval: Specify a value for the sampling interval. If you specify an interval of one second, for example, a sample will be taken every second.

Number of Samples: Specify the number of samples that should be taken. The total sampling time is calculated in accordance with the specified interval and number of samples, and displayed on the [Single] tab of the Sensor Setup window.

Warm-Up: Specify the warm-up time for the sensor. You can select from among the following options for this setting. Auto: Automatically sets a preset value for each sensor. Manual: Selecting this option displays a dialog box like the one

shown below. Specify a warm-up time in the range of 1 to 99 seconds, and then tap [Set].

Start Trigger: Specify the event that triggers the start of sampling. You can select from among the following options for this setting. Tap Screen: This option specifies that sampling should start when

[OK] is tapped on the screen. Count Down: This option specifies that sampling should start when the

end of a countdown is reached. CH1: This option specifies that sampling should start when

CH1 channel input reaches a certain value. SONIC: This option specifies that sampling should start when

SONIC channel input reaches a certain value. Microphone: This option specifies that sampling should start when the

EA-200s microphone detects a sound.

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3-6 Setup

k Normal Mode Parameters

Tab Parameter Initial Default Range

[Sample] Sampling Interval 0.05 sec 0.0005 to 299 sec

Number of Samples 100 10 to 30000

Warm-Up Auto Auto, Manual (1 to 99)

[Trigger] Start Trigger Tap Screen Tap Screen, Count Down, CH1, SONIC, Microphone

For details about each parameter, see Parameters Common to All Modes on page 3-5. Except for the [Tap Screen] item, all of the other start trigger options require specification of

additional parameters. For details, see Additional Start Trigger Parameters on page 3-9.

k Real-Time Mode Parameters

Tab Parameter Initial Default Range

[Sample] Sampling Interval 0.3 sec 0.3 to 299 sec

Number of Samples 201 10 to 30000

Warm-Up Auto Auto, Manual (1 to 99)

[Trigger] Start Trigger Tap Screen Tap Screen, Count Down

For details about each parameter, see Parameters Common to All Modes on page 3-5. Except for the [Tap Screen] item, all of the other start trigger options require specification of

additional parameters. For details, see Additional Start Trigger Parameters on page 3-9.

k Fast Mode Parameters

Tab Parameter Initial Default Range

[Sample] Sampling Interval 20 sec 20 sec to 500 sec

Number of Samples 5000 10 to 30000*2

Warm-Up Auto Auto, Manual (1 to 99)

FFT Graph *1 On, Off

[Trigger] Start Trigger Tap Screen Tap Screen, Count Down, CH1, SONIC, Microphone

*1 See FFT Graph on page 3-7 for details. *2 When FFT Graph is turned on, the setting range become 10 through 8192.

For details about parameters other than FFT graph, see Parameters Common to All Modes on page 3-5.

Except for the [Tap Screen] item, all of the other start trigger options require specification of additional parameters. For details, see Additional Start Trigger Parameters on page 3-9.

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3-7 Setup

FFT Graph The [FFT Graph] parameter is available only when [Microphone] is selected as the sensor. You can turn post-sampling FFT Graph (frequency characteristics graph) graphing on or off.

When [CASIO] - [Microphone] is the sensor: In this case, the initial setting for the FFT graph is off. Turning on the FFT graph causes [Frequency Pitch] and [Frequency Max] values to be calculated. Note that these calculated values area applied automatically, and cannot be changed. Also, the [Warm-Up] parameter cannot be configured.

When [CASIO] - [Microphone-FFT] is the sensor: When [CASIO] - [Microphone-FFT] is selected, the Setup dialog box cannot be displayed, but the FFT Graph setting is always on. In this case, the settings of the [Frequency Pitch] and [Frequency Max] parameters can be changed on the Sensor Setup window. See Microphone-FFT Parameters on page 2-4 for more information.

k Extended Mode Parameters

Tab Parameter Initial Default Range

[Sample] Sampling Interval 5 min 5 to 240 min

Number of Samples 100 10 to 30000

[Trigger] Start Trigger Tap Screen (fixed)

For details about each parameter, see Parameters Common to All Modes on page 3-5.

k Period Mode Parameters

Tab Parameter Initial Default Range

[Sample] Number of Samples 100 1 to 1000

Warm-Up Auto Auto, Manual (1 to 99)

[Trigger] Start Trigger CH1 (fixed)

Trigger Threshold 1 V*1 10 to 10 V*1

Trigger Edge Rising To Rising to Rising Rising Falling to Falling

Rising to Falling Falling to Rising

*1 The initial default value and setting range depends on the CH1 sensor. The above shows the initial value and setting range when [CASIO] - [Voltage] is selected.

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3-8 Setup

Number of Samples: Specify the number of samples that should be collected. Sampling continues until the specified number of samples is collected, regardless of the sampling time.

Warm-Up: See Parameters Common to All Modes on page 3-5. Start Trigger: CH1 is always the start trigger. Sampling is triggered in accordance

with the input value of the sensor connected to the CH1 channel. The timing of the trigger is controlled in accordance with the following two parameters.

Trigger Threshold: Specify a threshold value to specify when sampling is triggered. Trigger Edge: Specify the interval during which sampling is performed once a change

in the sampled value causes the Trigger Threshold to be crossed. You can select any one of the following options. (1) Rising to Rising, (2) Falling to Falling, (3) Rising to Falling, (4) Falling to Rising

(1)

(3) (4)

(2) Threshold value

The parameters shown below can also be configured when the Period Mode is selected. These parameters appears on the Sensor Setup window, not on the Setup dialog box.

Parameter Initial Default Range

Store List Data Folder EConSamp Any folder

Interval Interval Any name (up to 8 characters)

Count Count Any name (up to 8 characters)

Store List Data: Folder: Specify a folder for storage of the interval and count list variables.

Interval: Specify a list variable name, up to eight characters long, for storage of the interval time that is specified in accordance with the Trigger Threshold and Trigger Edge.

Count: Specify a list variable name, up to eight characters long, for storage of the current sample count.

Tip When specifying the Trigger Threshold, be sure to specify a value that represents a relatively

significant change for the current or normally measured value. A threshold value that is too close to the current or normally measured value can cause problems with triggering.

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3-9 Setup

k Additional Start Trigger Parameters The following are the parameters that need to be configured for the Count Down, CH1, SONIC, and Microphone start triggers when Normal, Real-Time, or Fast is selected as the mode. If you specify CH1, SONIC, or Microphone for the [Start Trigger] parameter, you should

also use the [Trigger] tab of the Setup dialog box to specify an appropriate start trigger for the selected sensor. Failure to specify an appropriate start trigger for the selected sensor will cause an error to occur.

Count Down Start Trigger

Additional Parameter Initial Default Range

Timer 5 sec 1 to 10 sec

Timer: With this start trigger, performing the sampling operation starts a countdown*, and actual sampling begins when the end of the countdown is reached. The countdown start value can be specified in the range of 1 to 10 seconds. * While a countdown is in progress, a countdown tone sounds from the EA-200

speaker and a Count Down dialog box remains on the ClassPad display. If you cancel the countdown while this dialog box is displayed, the countdown tone will continue to sound until the end of the preset Timer time is reached.

CH1 Start Trigger

Additional Parameter Initial Default Range

Sensor

Trigger Threshold Depends on connected sensor Depends on connected sensor

Trigger Edge Rising Rising, Falling

Sensor: This parameter shows the sensor that is currently connected to the CH1 channel. This parameter cannot be changed manually. Sampling is triggered in accordance with the input value of the sensor connected to the CH1 channel. The timing of the trigger is controlled in accordance with the following two parameters.

Trigger Threshold: Specify a threshold value to specify when sampling is triggered. Trigger Edge: Select either [Rising] (reaching the [Trigger Threshold] value from a value

less than it) or [Falling] (reaching the [Trigger Threshold] value from a value greater than it) for this parameter.

Tip With this start trigger, executing a sampling operation initially enters the standby state, and

sampling does not start until sampled values cross the threshold in the specified direction (rising or falling). When [Rising] is specified for [Trigger Edge], for example, sampling will not start if the input value is already greater than the specified threshold value when the sampling operation is executed. This is because the threshold has not been crossed after execution of the sampling operation.

When specifying the Trigger Threshold, be sure to specify a value that represents a relatively significant change for the current or normally measured value. A threshold value that is too close to the current or normally measured value can cause problems with triggering.

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3-10 Setup

The graphs below show when sampling is triggered while [Rising] is specified for [Trigger Edge]. The graphs show changes in sampled values over time, and the left end of the graph is when the sampling operation is executed.

Threshold value

Threshold value

Sampling triggered

Sampling not triggered Sampling not triggered Sampling triggered (threshold crossed with a rising edge)

SONIC Start Trigger

Additional Parameter Initial Default Range

Sensor Motion (fixed)

Trigger Threshold 1 Meter 0 to 8 Meters

Trigger Level Above Above, Below

Sensor: The sensor is always [Motion] for this start trigger. Sampling is triggered in accordance with the input value of the motion sensor connected to the SONIC channel. The timing of the trigger is controlled in accordance with the following two parameters.

Trigger Threshold: Specify a threshold value to specify when sampling is triggered. Trigger Level: Select either [Above] (any value above the [Trigger Threshold] value) or

[Below] (any value below the [Trigger Threshold] value) for this parameter.

Tip With this start trigger, sample triggering depends solely on whether the current input value is

greater than or less than the trigger value. When [Above] is specified for [Trigger Level], for example, sampling will start immediately if the input value is already greater than the specified threshold value when the sampling operation is executed.

When specifying the Trigger Threshold, be sure to specify a value that represents a relatively significant change for the current or normally measured value. A threshold value that is too close to the current or normally measured value can cause problems with triggering.

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3-11 Setup

The graphs below show when sampling is triggered while [Above] is specified for [Trigger Level]. The graphs show changes in sampled values over time, and the left end of the graph is when the sampling operation is executed.

Threshold value

Sampling triggered Sampling triggered

Microphone Start Trigger

Additional Parameter Initial Default Range

Sensitivity High Low, Medium, High

Sensitivity: Specify one of three sensitivity levels for the EA-200s microphone.

Configuring Graph Window Options

This section explains how to configure the settings of the [Graph] tab of the Setup dialog box.

u To configure graph window options (1) On the Sensor Setup window menu bar, tap [Setup].

This displays the [Sample] tab of the Setup dialog box.

(2) Tap the [Graph] tab.

(3) Select the check boxes of the options you want to turn on, and clear the check boxes of the options you want to turn off.

The check boxes next to the options that are turned on have check marks in them.

(4) After everything is the way you want, tap [Set].

This applies your settings and closes the Setup dialog box.

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3-12 Setup

k Graph Options The following provides detailed explanations of the options that are available on the [Graph] tab of the Setup dialog box.

Option

Graph Function

Coordinates

E-Con Axes

Real-Time Scroll

Description

Turns display of the source data name (current data channel name or sampling memory data name) on the E-Con Graph window on (selected) and off (cleared).

Turns display of coordinates on (selected) and off (cleared) when a trace operation is being performed on the E-Con Graph window.

Turns display of E-Con Graph window axes on (selected) and off (cleared).

Turns real-time scrolling of the E-Con Graph window in the Real-Time sampling mode on (selected) and off (cleared).

Initial Default Setting

On

On

On

Off

Using a Custom Probe

This section explains how to configure a custom probe. In addition to the CASIO and Vernier sensors that are preset in the E-Con EA-200 application (see 10 Sensor List), you can also configure your own custom probes for use during sampling. Once you configure a custom probe, it is available on the [Custom] tab of the Select Sensor dialog box, which you can access from the Sensor Setup window.

k Configuring Custom Probes To configure a custom probe, you must input values for the constants of the fixed linear interpolation formula (ax + b). The required constants are slope (a) and intercept (b). x in the above expression (ax + b) is the sampled voltage value (sampling range: 0 to 5 volts).

u To configure a new custom probe (1) On the Sensor Setup window [Tool] menu, tap [Custom Probe] and then tap [New

Custom Probe].

This displays the New Custom Probe dialog box.

(2) On the dialog box, tap the [Folder] down arrow button and then select the destination folder from the list that appears.

(3) In the [Name] box, input up to eight characters for the custom probe name.

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3-13 Setup

(4) When the name is the way you want, tap [OK].

This displays the Custom Probe dialog box.

(5) Configure the following parameters on the Custom Probe dialog box.

Parameter Description

Slope Input the slope for the linear interpolation formula.

Intercept Input the intercept for the linear interpolation formula.

Unit Name Input up to eight characters for the unit name.

Warm-Up Specify the warm-up time for the sensor in seconds, from 0 to 99.

(6) After all of the parameters are the way you want, tap [Set] to save the custom probe and close the Custom Probe dialog box.

This saves the custom probe data in ClassPad memory as a variable with the name you specified in step (3). The custom probe data is locked, which means that it cannot be edited using another application on the ClassPad. Keep the custom probe data locked. For more information about locked variables, see the ClassPad 300/ClassPad 300 PLUS Users Guide (1-7 Variables and Folders).

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u To edit an existing custom probe (1) On the Sensor Setup window, make sure that the custom probe you want to edit is not

selected.

If the name of the custom probe you want to edit is displayed in the [Sensor] box on the [Single] tab of the Sensor Setup window, or in the [CH1], [CH2], [CH3], or [SONIC] box of the [Multiple] tab, tap the applicable box and then change its setting to something other than the probe you want to edit. Otherwise, an error will occur when you tap [OK] in step (5), below.

(2) On the Sensor Setup window [Tool] menu, tap [Custom Probe] and then tap [Edit Custom Probe].

This displays the Edit Custom Probe dialog box.

(3) Tap the [Folder] down arrow button and then select the folder that contains the custom probe data from the list that appears.

(4) Tap the [Name] down arrow button, and then tap the name of the custom probe you want to edit.

(5) Tap [OK].

This displays the Custom Probe dialog box, which shows the current [Slope], [Intercept], [Unit Name], and [Warm-Up] settings of the custom probe you selected in step (3).

(6) Change the settings.

(7) After all of the parameters are the way you want, tap [Set] to save the custom probe and close the Custom Probe dialog box.

This saves the custom probe data in ClassPad memory as a variable with the name you specified in step (4). The custom probe data is locked, which means that it cannot be edited using another application on the ClassPad. Keep the custom probe data locked. For more information about locked variables, see the ClassPad 300/ClassPad 300 PLUS Users Guide (1-7 Variables and Folders).

3-14 Setup

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3-15 Setup

u To configure new custom probe settings based on Vernier sensor settings Use the following procedure to recall Vernier sensor settings that you have already registered with the E-Con EA-200 application and use them to configure a new custom probe.

(1) On the Sensor Setup window [Tool] menu, tap [Custom Probe] and then tap [Edit Vernier Sensor].

This displays the [Vernier] tab of the Select Sensor dialog box. In this case, the Select Sensor dialog box has only a [Vernier] tab.

(2) Tap the Vernier sensor whose settings you want to use, and then tap [Set].

This displays the New Custom Probe dialog box.

(3) Tap the [Folder] down arrow button and then select the destination folder from the list that appears.

(4) In the [Name] box, input up to eight characters for the custom probe name.

(5) Tap [OK].

This displays the Custom Probe dialog box, which shows the current [Slope], [Intercept], [Unit Name], and [Warm-Up] settings of the Vernier sensor you selected in step (2).

(6) Change the settings.

(7) After all of the parameters are the way you want, tap [Set] to save the custom probe and close the Custom Probe dialog box.

This saves the custom probe data in ClassPad memory as a variable with the name you specified in step (4). The custom probe data is locked, which means that it cannot be edited using another application on the ClassPad. Keep the custom probe data locked. For more information about locked variables, see the ClassPad 300/ClassPad 300 PLUS Users Guide (1-7 Variables and Folders).

u To delete an existing custom probe Use the ClassPad Variable Manager to delete an existing custom probe. For details, see the section about the Variable Manager in the ClassPad 300/ClassPad 300 PLUS Users Guide.

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3-16 Setup

u To calibrate a custom probe Note Perform the following procedure to calibrate a custom probe after you newly configure it or

after you edit its settings.

This procedure calibrates slope and intercept values based on two actual samples using the applicable custom probe.

Before performing the procedure below, you should prepare two conditions whose measurement values are known.

When inputting reference value in step (5) of the procedure below, input the exact known measurement value of the condition you will sample in step (4). When inputting reference value in step (7) of the procedure below, input the exact known measurement value of the condition you will sample in step (6).

(1) Connect the EA-200 to your ClassPad, and connect the custom probe you want to calibrate to the EA-200s CH1 channel.

(2) What you should do next depends on whether you are calibrating a new custom probe or an existing custom probe whose settings have been edited.

When calibrating a new custom probe: Perform steps (1) through (5) under To configure a new custom probe on page 3-12. You can skip step (2), if you want.

When calibrating an existing custom probe: Perform steps (1) through (6) under To edit an existing custom probe on page 3-14.

(3) Tap [Calibration].

This starts sampling by the sensor connected to the CH1 channel and displays a Sampling... dialog box like the one shown to the right. This is how the dialog box appears during standby prior to the first sample.

If this dialog box is left on the display, sampling will terminate and the dialog box will close automatically after about five hours.

(4) Tap [Set] when you are ready to take the first sample.

This causes the Sampling... dialog box to change as shown to the right.

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3-17 Setup

(5) In the [Value 1] box, input the reference value for the first sample, and then tap [OK].

This restarts sampling by the sensor connected to the CH1 channel and displays a Sampling... dialog box like the one shown to the right. This is how the dialog box appears during standby prior to the second sample.

If this dialog box is left on the display, sampling will terminate and the dialog box will close automatically after about five hours.

(6) Tap [Set] when you are ready to take the second sample.

This causes the Sampling... dialog box to change as shown to the right.

(7) In the [Value 2] box, input the reference value for the second sample, and then tap [OK].

This closes the Input Value dialog box and returns to the Custom Probe dialog box.

The EA-200 calculates the slope and the intercept for the linear interpolation formula from the first set of values (reference and sampled), and the second set of values, and automatically inputs them into the [Slope] and [Intercept] values of the custom probe.

After you are finished, tap [Set] to save the custom probe and close the Custom Probe dialog box.

Tip An error occurs if the reference values you input in steps (4) and (6) are not correct. If this

happens, repeat the procedure from step (3).

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u To zero adjust a custom probe This procedure zero adjusts a custom probe and sets its intercept value based on an actual sample using the applicable custom probe.

(1) Connect the EA-200 to your ClassPad, and connect the custom probe you want to zero adjust to the EA-200s CH1 channel.

(2) What you should do next depends on whether you are calibrating a new custom probe or an existing custom probe whose settings have been edited.

When calibrating a new custom probe: Perform steps (1) through (5) under To configure a new custom probe on page 3-12. You can skip step (2), if you want.

When calibrating an existing custom probe: Perform steps (1) through (6) under To edit an existing custom probe on page 3-14.

(3) Tap [Zero Adjust].

This starts sampling by the sensor connected to the CH1 channel and displays a Sampling... dialog box like the one shown to the right. This is how the dialog box appears during standby prior to the sample.

If this dialog box is left on the display, sampling will terminate and the dialog box will close automatically after about five hours.

(4) Tap [Set] when you are ready to take the sample.

This closes the Sampling... dialog box and returns to the Custom Probe dialog box.

The value produced by the sample is entered automatically for [Intercept].

(5) After you are finished, tap [Set] to save the custom probe and close the Custom Probe dialog box.

Tip An error occurs if the sample value in step (4) is not correct. If this happens, repeat the procedure

from step (3).

3-18 Setup

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4-1 Using Setup Memory

4 Using Setup Memory Setup memory lets you save the parameters on the Sensor Setup window in a file for later recall when you need them. This means you can instantly setup for a particular sensor simply by recalling a setup.

Setup Memory Data File Contents

Saving Sensor Setup window parameters saves the following data in setup memory.

Sensor selection and setup on the [Single] tab Sensor selection on the [Multiple] tab Setup dialog box parameters E-Con Graph Editor window parameters

Saving and Recalling Setup Data

Use the procedures in this section to save data to setup memory and to recall data when you need it.

u To save setup data (1) On the Sensor Setup window, configure the settings you want.

For details about settings, see the following: 2 Basic Steps for Configuring Sampling Parameters, Configuring Advanced Sampling Parameters on page 3-2, and Configuring Graph Window Options on page 3-11.

(2) On the [SetupMem] menu, tap [Store].

This displays the Store Data dialog box.

(3) On the dialog box, tap the [Folder] down arrow button and then select the destination folder from the list that appears.

(4) In the [Name] box, input up to eight characters for the file name.

(5) Tap [OK].

This saves the setup memory data in ClassPad memory as a variable with the name you specified in step (4), and closes the dialog box. The setup memory data is locked, which means that it cannot be edited using another application on the ClassPad. Keep the setup memory data locked. For more information about locked variables, see the ClassPad 300/ClassPad 300 PLUS Users Guide (1-7 Variables and Folders).

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4-2 Using Setup Memory

u To recall setup data Important! Performing the following procedure will replace the current settings of the Sensor Setup

window parameters (see Setup Memory Data File Contents on page 4-1) with the setup data you recall.

(1) Display the Sensor Setup window active.

It makes no difference whether the [Single] tab or [Multiple] tab is displayed.

(2) On the [SetupMem] menu, tap [Recall].

This displays the Recall Data dialog box.

(3) Tap the [Folder] down arrow button, and then tap the name of folder that contains the setup you want to recall.

(4) Tap the [Name] down arrow button, and then tap the name of the setup you want to recall.

(5) Tap [OK].

This closes the Recall Data dialog box and recalls the setup you selected.

u To delete setup data Use the ClassPad Variable Manager to delete a setup file. For details, see the section about the Variable Manager in the ClassPad 300/ClassPad 300 PLUS Users Guide.

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5-1 Executing a Sampling Operation

5 Executing a Sampling Operation This chapter explains the procedure for executing an EA-200 sampling operation in accordance with E-Con EA-200 application settings. It also explains how to store sample data collected with the EA-200

Note For information about operation when [CASIO] - [Speaker ( y = f (x))] is selected as the

sensor on the Sensor Setup window, see 6 Outputting a Function to the Speaker. When [CASIO] - [Speaker ( y = f (x))] is selected, sampling is not performed. Instead, the sound of the waveform of a function input on the ClassPad is output from the EA-200s speaker.

u To get ready for sampling (1) Connect the EA-200 to your ClassPad.

(2) Turn on the EA-200.

(3) Connect the required sensor(s) in accordance with the setup you will be using for the sampling operation.

(4) Set up the sampling environment with the material to be sampled, required equipment, etc.

Starting the Sampling Operation

This section explains how to start the sampling operation, and describes the entire sampling procedure right up to the end.

u To start a sampling operation (1) On the Sensor Setup window, select either the [Single] tab or the [Multiple] tab, in

accordance with the type of sampling you want to perform.

You can also recall previously saved setup data (page 4-2).

(2) To start sampling, tap V.

This displays a dialog box like the one shown below.

If the warm-up time setting is anything other than 0 sec, this dialog box appears after warm-up is complete

Tapping [OK] on this dialog box starts sending the setup data on the currently displayed Sensor Setup window tab ([Single] or [Multiple]) to the EA-200.

You can cancel the sampling operation by tapping [Cancel].

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5-2 Executing a Sampling Operation

(3) Depending on the setup you are using, either a standby dialog box appears or sampling starts right away after configuration of the EA-200 settings is complete.

What happens next depends on the sampling mode, trigger settings, and other setup data sent to the EA-200. For details, see Operations Performed during Sampling below.

After sampling is complete, the sampled data is stored temporarily as current data. You can view the current data on the [Current] tab of the E-Con Graph Editor window. You can also save the current data to a file, if you want. See Saving Sample Data on page 5-5 for more information.

Operations Performed during Sampling

The following is the general flow of operations that are performed during sampling.

Setup data is sent from the E-Con EA-200 (ClassPad) to the EA-200.

Sampling operation is triggered.

Sampling operation is started by a manual trigger (tapping the screen) or by one of a number of automatic triggers.

Sampling ends.

Sampling ends automatically when the number of samples reaches a preset level.

Setup data is sent from the EA-200 to the E-Con EA-200 (ClassPad).

In the Real-Time Mode, data transfer starts at the same time sampling starts.

Graph the sampled data.

The table on the next page provides shows the various screens that appear during the above flow. Note that the actual flow and the screens that appear depend on the mode, trigger setting, etc.

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5-3 Executing a Sampling Operation

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5-4 Executing a Sampling Operation

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Saving Sample Data

The data produced by an EA-200 sampling operation controlled from the E-Con EA-200 application is stored temporarily in the ClassPads [EConSamp] folder. This temporary data is called the current data.

Current data is saved using one or more variables, one for each of the channels that was used for sampling. Variable names are assigned automatically in accordance with the channel and sensor used for sampling.

Variable Name Channel and Sensor Used for Sampling

CH1 CH1

CH2 CH2

CH3 CH3

SONIC SONIC

MIC EA-200s built-in microphone Current data is saved under this variable whenever either of the following sensor settings is selected. [CASIO] - [Microphone] [CASIO] - [Speaker (Sample Data)]

FFT EA-200s built-in microphone Current data is saved under this variable whenever either of the following sensor settings is selected. [CASIO] - [Microphone-FFT] [CASIO] - [Microphone], with the [FFT Graph] setting turned on [Vernier] - [Microphone], with the [FFT Graph] setting turned on

Performing a sampling operation when [CASIO] - [Microphone] is selected on the Sensor Setup window and the [FFT Graph] setting is turned on simultaneously creates two sets of current data with variable names MIC and FFT.

The current data is displayed on the [Current] tab of the E-Con Graph Editor window in the format .

5-5 Executing a Sampling Operation

Sample Display

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5-6 Executing a Sampling Operation

You can use the [Current] tab to graph the current data after sampling is complete. For information about graphing, see 8 Graphing Data. Whenever you perform a new sampling operation, the current data of the channel you are

using is overwritten with the new data. If you want to keep a copy of sampled data, you need to save the current data under a different name.

u To save the current data under a different name Use the ClassPad Variable Manager to save the current data in the [EConSamp] folder under a different name. For details, see the section about the Variable Manager in the ClassPad 300/ClassPad 300 PLUS Users Guide.

u To delete saved sample data Use the ClassPad Variable Manager to delete saved sample data. For details, see the section about the Variable Manager in the ClassPad 300/ClassPad 300 PLUS Users Guide.

u To recall saved sample data You can use the E-Con Graph Editor window to recall saved sample data or the current data and graph it. For more information, see 8 Graphing Data.

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6-1 Outputting a Function to the Speaker

6 Outputting a Function to the Speaker When [Speaker (y = f(x))] is selected on the [CASIO] tab of the Select Sensor dialog box, sampling is not performed by a sensor. Instead, the sound of the waveform of a function input on the ClassPad is output from the EA-200s speaker.

u To output the waveform of a function through the speaker (1) Connect the EA-200 to the ClassPad, and turn on the EA-200.

(2) Turn on the ClassPad, and start up the E-Con EA-200 application.

(3) Tap O and then [Graph Editor] (or tap !) to display the ClassPad Graph Editor window.

(4) On the Graph Editor window, input the function (for example: y1 = sin (4402x)) that will be output from the speaker into any of the available lines ( y1 to y20).

When inputting a function, specify arguments (for sin, etc.) using radian units. This function treats all arguments as radian values, regardless of the ClassPads angle unit setting.

For details about how to input expressions into the Graph Editor window, see the section about the Graph & Table application in the ClassPad 300/ClassPad 300 PLUS Users Guide.

(5) Tap the Sensor Setup window to make it active.

(6) Tap the [Sensor] box to display the Select Sensor dialog box.

(7) On the [CASIO] tab, select [Speaker (y = f(x))] and then tap [Set].

This closes the Select Sensor dialog box and returns to the Sensor Setup window, which now appears as shown to the right.

(8) Tap the [1.5Range] down arrow button, and then select [Auto] or [Manual] as required.

Selecting [Auto] optimizes the function and output range during graphing of the function on the ClassPad Graph window (not the E-Con Graph window) so the y-axis range is from 1.5 to 1.5 (maximum allowable range for speaker output). This is the setting you should normally use.

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6-2 Outputting a Function to the Speaker

When [Manual] is selected, the optimization performed by the [Auto] setting is not performed. Because of this, you need to input a function and specify an output range (x-value) that makes the y-axis range 1.5 to 1.5. An error occurs whenever the y-axis is outside the range of 1.5 to 1.5.

(9) Tap the [Formula] down arrow button. On the menu that appears, select the line ( y1 to y20) that contains the function you input in step (4).

(10) Specify the function output range (x-value).

Tap the [Start] and input the start value in the input dialog box that appears. Tap the [End] box and then input an end value.

(11) Tap V.

This displays the Output Frequency dialog box.

(12) Specify the output frequency on the dialog box.

Input a percent value for the output frequency value you want. To output the original sound as-is, specify 100%. To raise the original sound by one octave, input a value of 200%. To lower the original sound by one octave, input a value of 50%.

(13) Tap [OK].

This displays a dialog box like the one shown to the right.

(14) Tap [OK].

This outputs the range specified by the function as a sound through the EA-200s built-in speaker.

To terminate sound output, press the EA-200 [START/STOP] key.

Tip To store the setup you configured in steps (1) through (10) in memory, tap [SetupMem] on the

menu bar, and then tap [Store]. See 4 Using Setup Memory for more information.

The [Setup] menu is unavailable while [Speaker (y= f (x))] is selected on the [CASIO] tab of the Select Sensor dialog box.

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7-1 Using the Multimeter Window

7 Using the Multimeter Window The Multimeter window shows the sample values of all channels in real-time. You can also use the Multimeter window to manually store sample data at any point.

Viewing Sample Data on the Multimeter Window

This section explains how to view sample data in real-time on the Multimeter window.

Tip Before performing the procedures described here, perform the preparation steps under To get

ready for sampling on page 5-1.

Warm-up is not performed while you are using the Multimeter window for sampling.

If the Multimeter window left on the display, sampling will terminate and the window will close automatically after about five hours.

Note that use of the Multimeter window is not supported when any of the following sensors is in use.

[CASIO] - [Microphone]

[CASIO] - [Microphone-FFT]

[CASIO] - [Speaker (Sample Data)]

[CASIO] - [Speaker (y = f(x))]

[Vernier] - [Photogate]

[Vernier] - [Photogate (Pulley)]

[Vernier] - [Microphone]

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u To view real-time sample data during sampling configured with the [Single] tab (1) On the Sensor Setup window, display the [Single] tab and configure the settings you

want.

You can also recall previously saved setup data (page 4-2).

(2) Tap v.

This displays the Multimeter window and starts sampling with the sensor connected to the channel specified on the [Single] tab. Sampled data is displayed in real-time on the Multimeter window.

7-2 Using the Multimeter Window

(3) To close the Multimeter window, tap [Cancel].

Tip Tapping the [Store] button on the Multimeter window saves the current sample to a specified list

variable (EConSamp\MultList). See Saving Sample Data from the Multimeter Window on page 7-4 for more information.

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7-3 Using the Multimeter Window

u To view real-time sample data during sampling configured with the [Multiple] tab (1) On the Sensor Setup window, display the [Multiple] tab and configure the settings you

want.

You can also recall previously saved setup data (page 4-2).

(2) Tap v.

This displays the Multimeter window and starts sampling with the sensors connected to the channels specified on the [Multiple] tab. Sampled data is displayed in real-time on the Multimeter window.

(3) To close the Multimeter window, tap [Cancel].

Tip Tapping the [Store] button on the Multimeter window saves the current sample to a specified

matrix variable (EConSamp\MultMat). See Saving Sample Data from the Multimeter Window on page 7-4 for more information.

Shows sampled values in real- time for the channels specified on the [Multiple] tab. Nothing is shown for unused channels.

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7-4 Using the Multimeter Window

Saving Sample Data from the Multimeter Window

You can use the procedures below to save sample data while the Multimeter window is displayed. Executing sample data save from the Multimeter window saves the current sample data only.

u To save sample data from the Multimeter window during sampling configured with the [Single] tab (1) Perform steps (1) and (2) of the procedure under To view real-time sample data during

sampling configured with the [Single] tab on page 7-2.

(2) When you want to store sample data, tap the [Store] button on the Multimeter window.

This causes the count value on the window to change from 0 to 1. A list variable with the name MultList is created in the [EConSamp] folder, and current sample data value is stored there.

(3) You can tap the [Store] button whenever you want to store the current data value.

Each tap of the [Store] button increases the count value by one.

Saved samples are stored in the MultList list variable as shown below (when CH1 is the channel being used for sampling).

The shaded parts of the above table shows the data assigned to the variables. The count values and channel name are not stored.

Tapping the [Reset] button on the Multimeter window resets the count value to zero and deletes EConSamp\MultList. After that, you can store another set of data by returning to step (2), above.

(4) To close the Multimeter window, tap [Cancel].

If you want to retain the sample data stored in the MultList list variable, use the ClassPad Variable Manager to save it under a different name. For details, see the section about the Variable Manager in the ClassPad 300/ClassPad 300 PLUS Users Guide.

Count 1 2 3 ...

CH1 (Sample 1) (Sample 2) (Sample 3) ...

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u To save sample data from the Multimeter window during sampling configured with the [Multiple] tab (1) Perform steps (1) and (2) of the procedure under To view real-time sample data during

sampling configured with the [Multiple] tab on page 7-3.

(2) When you want to store sample data, tap the [Store] button on the Multimeter window.

This causes the count value on the window to change from 0 to 1. A matrix variable with the name MultMat is created in the [EConSamp] folder, and current sample data value is stored there.

(3) You can tap the [Store] button whenever you want to store the current data value.

Each tap of the [Store] button increases the count value by one.

Saved samples are stored in the MultMat matrix variable as shown below.

Count CH1 CH2 CH3 SONIC 1 (Sample 1) (Sample 1) (Sample 1) (Sample 1) 2 (Sample 2) (Sample 2) (Sample 2) (Sample 2) 3 (Sample 3) (Sample 3) (Sample 3) (Sample 3)

The shaded parts of the above table shows the data assigned to the variables. The count values and channel name are not stored.

If you do not have four channels selected for sampling, data is not saved for the unused channel(s). Data is saved in columns only for the channels being used for sampling, and blank columns are not included in the matrix for the unused channel(s). The example below shows how data is stored when only CH1 and CH3 are used for sampling.

Count CH1 CH3 1 (Sample 1) (Sample 1) 2 (Sample 2) (Sample 2)

Tapping the [Reset] button on the Multimeter window resets the count value to zero and deletes EConSamp\MultMat. After that, you can store another set of data by returning to step (2), above.

(4) To close the Multimeter window, tap [Cancel].

If you want to retain the sample data stored in the MultMat matrix variable, use the ClassPad Variable Manager to save it under a different name. For details, see the section about the Variable Manager in the ClassPad 300/ClassPad 300 PLUS Users Guide.

Tip The Multimeter window count is reset to zero by either of the following.

When the Multimeter window is displayed by tapping v Tapping the [Reset] button on the Multimeter window When ClassPad Variable Manager was used to delete MultMat or MultList variable from the

[EConSamp] folder, or by changing MultMat or MultList to a different variable type.

7-5 Using the Multimeter Window

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8-1 Graphing Data

8 Graphing Data This chapter explains how to configure graph parameters on the E-Con Graph Editor window, and how to draw a graph on the E-Con Graph window.

E-Con Graph Editor Window

To graph sample data, you first need to tap the c button and display the E-Con Graph Editor window, where you can select the sample data you want to graph. The E-Con Graph Editor window has three tabs: [Current], [Normal], and [Compare]. Each of the tabs is described in detail below.

Tip Note that each time you perform a sampling operation, all of the current data on the [Current] tab

(or the sampled data you recalled for each graph) is cleared and replaced with the newly sampled data. A sampling operation does not have any affect on the [Normal] tab and [Compare] tab.

k [Current] Tab The [Current] tab shows the current data (page 5-5). Use this tab when you want to draw a graph of the current data following a sampling operation. The [Current] tab can be either of the two styles shown below.

Gph1, Gph2, Gph3 Style This is the same style as the [Normal] tab (see page 8-3).

This is the style that is displayed following sampling with most sensors. This style also appears if you have not performed a sampling operation to produce current data, and following the Clear All operation (page 8-10). Except for the fact that the [Current] tab Gph1, Gph2, and Gph3 graph data is replaced by the latest sampling operation, the operations for this tab style are identical to those for the [Normal] tab.

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8-2 Graphing Data

Upper/Lower Style This is the same style as the [Compare] tab (see page 8-4).

This style appears in the following cases only. When sampling is performed with [CASIO] - [Speaker (Sample Data)] specified as the

sensor When sampling is performed with [CASIO]- [Microphone] specified as the sensor, with the

[FFT Graph] setting turned on. When sampling is performed with [Vernier]-[Microphone] specified as the sensor, with the

[FFT Graph] setting turned on. Except for the fact that the [Current] tab Upper and Lower graph data is replaced by the latest sampling operation using the above sensors, the operations for this tab style are identical to those for the [Compare] tab.

Tip The following explains how data is allocated to the [Upper] and [Lower] graphs in accordance

with the sensor used for sampling. [CASIO] - [Speaker (Sample Data)] Sensor Upper: MIC (current data) Lower: Sound (Conversion data based on Upper current data) [CASIO] - [Microphone] Sensor, [FFT Graph] Turned On Upper: MIC (current data) Lower: FFT (current data) [Vernier] - [Microphone] Sensor, [FFT Graph] Turned On Upper: CH1 (current data) Lower: FFT (current data) For information about [Sound], see [Compare] Tab on page 8-4.

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8-3 Graphing Data

k [Normal] Tab The [Normal] tab is for recalling previously saved sampled data (or current data) for graphing. You can draw up to three graphs at the same time using this tab.

You can draw the following types of graphs using the [Normal] tab. Different sampled data can be recalled and assigned to each of the graphs (Gph1, Gph2,

Gph3) and graphed at the same time. You can use this tab to draw a single graph, or to draw two or three graphs at the same

time. For Gph2 and Gph3, you can assign Gph1 first derivative (d/dt) or second derivative

(d2/dt2) data. The assigned differential data can be graphed at the same time with the sample data assigned to Gph1.

Graphs

Example of graph using [Normal] tab settings

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k [Compare] Tab Like the [Normal] tab, the [Compare] tab lets you for recall previously saved sampled data (or current data) for graphing. You can draw up to two graphs at the same time using this tab.

8-4 Graphing Data

You can draw the following types of graphs using the [Compare] tab. Different sampled data can be recalled and assigned to each of the graphs (Upper and

Lower) and graphed at the same time. You can use this tab to draw a single graph or to draw two graphs at the same time. For the Lower graph, you can assign Upper data first derivative (d/dt) or second derivative

(d2/dt2) data, or waveform (Sound) data converted from the Upper graph data so it can be output from the speaker. The assigned data can be graphed at the same time with the Upper data.

Sound can be assigned to the Lower graph only when the sampled data assigned to the Upper graph is MIC data (data sampled using the EA-200s built-in microphone).

Graphs

Example of graph using [Compare] tab settings

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Drawing a Graph

The following procedures explain how to actually draw a graph by configuring setups on each of the E-Con Graph Editor window tabs.

u To draw a graph using [Normal] tab settings (1) Tap c to display the E-Con Graph Editor window.

(2) Tap the [Normal] tab.

(3) First, recall the data you want to assign to [Gph1]. Tap the [Gph1] box.

This displays a Recall Data dialog box like the one shown below.

Tap here.

(4) Tap the [Folder] option button.

(5) Tap the [Folder] down arrow button, and then tap the name of folder that contains the sample you want to recall.

(6) Tap the [Name] down arrow button, and then tap the name of the sample data you want to recall.

(7) Tap [Set].

This closes the Recall Data dialog box and assigns the selected sample data to [Gph1].

8-5 Graphing Data

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(8) Assign sample data to [Gph2] and [Gph3].

If you want to recall and assign different data, repeat steps (3) through (7) above for [Gph2] and/or [Gph3].

If you want to perform first derivative or second derivative on [Gph1] and assign the results to [Gph2] or [Gph3], perform the following steps. Note, however, that you will be able to perform these steps only if you have data assigned to [Gph1]. The [Special] option button is unavailable if you do not have any data assigned to [Gph1].

1 On the Recall Data dialog box, tap the [Special] option button.

2 Tap the [Special] down arrow button, and then select [d/dt] (first derivative) or [d 2/dt 2] (second derivative).

3 Tap [Set].

If you do not want to assign any data, tap the [None] button on the Recall Data dialog box, and then tap [Set].

(9) On the [Normal] tab, turn on graphing for each of the graphs that you want to draw.

Select the check box next to the name of each of the graphs that you want to draw. Clear the check box next to the name of each graph that you do not want to draw.

(10) Specify the graph plot type for each of the graphs you will draw. Tap the [-----] button to the right of the graph.

This displays a Graph Plot Type dialog box like the one shown below.

8-6 Graphing Data

(11) Tap the option button next to the plot type you want to specify for the graph.

[xyLine]: Plot points connected by lines [Scatter]: Plot points only

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(12) Tapping the [xyLine] or [Scatter] down arrow button displays a list of the plot point types.

The following shows the type of graph produced by each possible setting available on the Graph Plot Type dialog box.

dot

ldot

square

cross

ScatterxyLine

(13) Tap [Set].

This closes the Graph Plot Type dialog box. The current plots settings are indicated under each of the graph names (Gph1, Gph2, Gph3) on the E-Con Graph Editor window.

Repeat steps (10) and (12) for the other graphs, if you want.

(14) To start actual drawing of the graph, tap n.

This displays the E-Con Graph window and draws the graph in accordance with the settings of the [Normal] tab.

For details about the operations you can perform on the E-Con Graph window, see 9 E-Con Graph Window Operations.

8-7 Graphing Data

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u To draw a graph using [Compare] tab settings (1) Tap c to display the E-Con Graph Editor window.

(2) Tap the [Compare] tab.

(3) First, recall the data you want to assign to [Upper]. Tap the [Upper] box.

Tap here.

This displays a Recall Data dialog box like the one shown below.

(4) Tap the [Folder] option button.

(5) Tap the [Folder] down arrow button, and then tap the name of folder that contains the sample you want to recall.

(6) Tap the [Name] down arrow button, and then tap the name of the sample data you want to recall.

(7) Tap [Set].

This closes the Recall Data dialog box and assigns the selected sample data to [Upper].

8-8 Graphing Data

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(8) Assign sample data to [Lower].

If you want to recall and assign different data, repeat steps (3) through (7) above for [Lower].

If you want to assign [Upper] first derivative data or second derivative data, or [Upper] data converted to a format for output through the speaker, perform the following steps. Note, however, that you will be able to perform these steps only if you have data assigned to [Upper]. The [Special] option button is unavailable if you do not have any data assigned to [Upper].

1 On the Recall Data dialog box, tap the [Special] option button.

2 Tap the [Special] down arrow button, and then select [d/dt] (first derivative) or [d 2/dt 2] (second derivative). If you assigned data sampled with [Microphone] to the [Upper] graph, the [Special] list will also include a [Sound] option. Selecting [Sound] converts the [Upper] data to a waveform data that can be output from the speaker, and then assigns that data to [Lower].

3 Tap [Set].

If you do not want to assign any data, tap the [None] button on the Recall Data dialog box, and then tap [Set].

(9) Now perform the steps starting from step (9) under To draw a graph using [Normal] tab settings on page 8-5 to complete the procedure.

8-9 Graphing Data

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u To draw a graph using [Current] tab settings In either of the following cases, perform the same steps as those under To draw a graph

using [Compare] tab settings on page 8-8. When sampling is performed with [CASIO] - [Speaker (Sample Data)] specified as the

sensor When sampling is performed with [CASIO] - [Microphone] specified as the sensor, with

the [FFT Graph] setting turned on. When sampling is performed with [Vernier] - [Microphone] specified as the sensor, with

the [FFT Graph] setting turned on. Note, however, that steps (3) through (8) of the above procedure can be skipped when graphing current data.

In cases other than those described above, perform the same steps as those under To draw a graph using [Normal] tab settings on page 8-5. Note, however, that steps (3) through (13) of the procedure can be skipped when graphing current data.

u To clear all E-Con Graph Editor window settings

Note The following procedure clears all of the parameters (data assignments and graph settings)

on all three of the tabs of the E-Con Graph Editor window.

(1) Displays the E-Con Graph Editor window.

(2) On the menu bar, tap [Tool] and then [Clear All].

(3) In response to the confirmation message that appears, tap [OK] to clear all the data, or [Cancel] to cancel.

8-10 Graphing Data

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9-1 E-Con Graph Window Operations

9 E-Con Graph Window Operations This chapter explains how to perform zoom, scroll, and other operations while a graph is on the E-Con Graph window. It also explains how to use various analytical tools.

Note The E-Con Graph window appears and a data is graphed after either of the following two events.

After a sampling operation (except when sampling is performed in the Period mode, or when [Vernier] - [Photogate] or [Vernier] - [Photogate (Pulley)] is selected as the sensor)

After performing the procedure under Drawing a Graph on page 8-5

Zooming a Graph

You can use the following procedure to enlarge or reduce the size of a graph on the E-Con Graph window. You can also select an option that resizes the graph to fit the screen.

u To zoom all displayed graphs (1) On the E-Con Graph window [Zoom] menu tap [All Zoom], or tap the b button.

This causes the message Tap Zoom Center to appear in the status bar.

(2) Use the stylus to tap the location on the screen that you want at the center of the enlarged or reduced image.

This enters the zoom mode.

Instead of tapping the screen with the stylus, you could use the cursor keys to move the zoom cursor W to the location you want, and then press E to enter the zoom mode.

(3) The cursor keys perform the following operations in the zoom mode.

Right and Left Cursor Keys: Enlarges or reduces the graph to the right or left.

Up and Down Cursor Keys: Enlarges or reduces the graph upwards or downwards.

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(4) To exit the zoom mode, tap on the ClassPad icon panel, or press the ClassPad c key.

u To zoom a particular graph Note Use this procedure to zoom a particular graph while there are multiple graphs on the E-Con

Graph window. You will not be able to zoom a graph drawn by assigning data to [Gph2], [Gph3], or [Lower]

with the [Special] option on the Recall Data dialog box. See pages 8-6 and 8-9 for more information.

(1) On the E-Con Graph window a menu tap [1Zoom].

This changes to a display of only one of the graphs that is currently on the E-Con Graph window. The displayed graph is the one that is selected for zooming.

9-2 E-Con Graph Window Operations

(2) Use the up and down cursor keys to cycle through the graphs until the one you want is displayed, and then press E.

Continue from step (2) of the procedure under To zoom all displayed graphs on page 9-1.

u To resize the graph so it fills the screen There are two methods you can use to resize the graph to fill the screen: by simply zooming it (Full) or by automatically adjusting graph properties to fit.

To use zoom to fit the graph to the screen, tap the E-Con Graph window [Zoom] menu, and then tap [Full].

To automatically adjust the graph properties so it fits the screen, tap the E-Con Graph window [Zoom] menu and then tap [Auto]. [Auto] resizes the y-axis so the entire graph fits in the screen. The x-axis is adjusted automatically in accordance with the number of samples.

u To display a graph by adjusting its y-axis only On the E-Con Graph window [Zoom] menu, tap [yAuto], or tap R. There is no corresponding function for adjusting the x-axis.

u To resize the y-axis to match the sensor sampling range On the E-Con Graph window [Zoom] menu, tap [Original]. This resizes the y-axis in accordance with the measurement range of the sensor being used for measurement. The x-axis is resized to allow display of all data on the same screen.

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9-3 E-Con Graph Window Operations

Displaying and Hiding Graph Display Components

When there are multiple graphs on the E-Con Graph window, you can display or hide the graph axes, the source data name, and the axis labels.

u To hide and display the source data name and axes When you have multiple graphs on the display, the source data name and axes of the first graph appear first. You can select the source data name and axes for another graph by tapping the E-Con Graph window a menu and then tapping [Change Axes]. Each tap of [Change Axes] cycles through the applicable graphs in the sequence Gph1 Gph2 Gph3.

Tip The source data name is displayed on the E-Con Graph window when the [Graph Function]

option on the [Graph] tab of the Setup dialog box is turned on. The axes are displayed when the [E-Con Axes] option is turned on. See Configuring Graph Window Options on page 3-11 for more information.

Note that you will not be able display the source data name and axes for a graph drawn by assigning data to [Gph2], [Gph3], or [Lower] with the [Special] option on the Recall Data dialog box. See pages 8-6 and 8-9 for more information.

u To display and hide E-Con Graph window axis units On the E-Con Graph Window a menu, tap [Change Unit]. On the sub-menu that appears, select the unit you want.

The following is a list of units that can be selected. Auto: Auto selection sec: microseconds msec: milliseconds sec: seconds min: minutes hour: hours day: days

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9-4 E-Con Graph Window Operations

Scrolling a Graph

You can select one of the graphs displayed on the E-Con Graph window and scroll it.

Note that you will not be able to scroll a graph drawn by assigning data to [Gph2], [Gph3], or [Lower] with the [Special] option on the Recall Data dialog box. See pages 8-6 and 8-9 for more information.

u To scroll a particular graph (1) On the E-Con Graph window a menu, tap [1Move].

If there are multiple graphs on the display, the above operation causes all of them except the one currently selected for scrolling to disappear. If there is only one graph, step (2) and advance directly to step (3).

(2) Use the up and down cursor keys to cycle through the graphs until the one you want is displayed, and then press E.

This redisplays all of the graphs, with the one you selected in the scroll mode.

(3) Use the cursor keys to scroll the selected graph.

(4) To exit the scroll mode, tap on the ClassPad icon panel, or press the ClassPad c key.

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9-5 E-Con Graph Window Operations

Using Trace

Trace displays a cross pointer on the displayed graph along with the coordinates of the current cursor position. You can use the cursor keys to move the pointer along the graph.

Note that you will not be able to perform the trace operation cannot on a graph drawn by assigning data to [Gph2], [Gph3], or [Lower] with the [Special] option on the Recall Data dialog box. See pages 8-6 and 8-9 for more information.

u To use Trace to read coordinates along a graph (1) On the E-Con Graph window [Analysis] menu, tap [Trace], or tap the N button.

This causes the trace pointer to appear on the graph. The coordinates of the current trace pointer location are also shown on the display.

(2) Use the left and right cursor keys to move the trace pointer along the graph to the location you want.

You can also move the trace pointer by tapping the display at location to which you want to move.

The coordinate values change in accordance with the trace pointer movement.

If there are multiple graphs on the screen, you can use the up and down cursor keys to move the trace cursor jump between them.

(3) To exit the trace operation, tap on the ClassPad icon panel, or press the ClassPad c key.

This causes both the trace pointer and the coordinates to disappear from the screen.

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Calculating the Periodic Frequency

You can use the following procedure to determine the periodic frequency for a specific range on a graph.

Note that you will not be able to calculate the periodic frequency for a graph drawn by assigning data to [Gph2], [Gph3], or [Lower] with the [Special] option on the Recall Data dialog box. See pages 8-6 and 8-9 for more information.

u To calculate the periodic frequency for a specific range on a graph (1) On the E-Con Graph window [Analysis] menu, tap

[Period], or tap the m button.

If there are multiple graphs on the screen, you can use the up and down cursor keys to move between them. When the graph whose periodic frequency you want to calculate is displayed, press the E key.

(2) Use the left and right cursor keys to move the vertical line to the start point of the range whose periodic frequency you want to obtain, and then press E.

Alternatively, you could tap the start point of the range with the stylus.

(3) Use the left and right cursor keys to move the vertical line to the end point of the range whose periodic frequency you want to obtain.

Alternatively, you could tap the end point of the range with the stylus.

This causes the period and periodic frequency value at the start point you selected in step (2) to appear along the bottom of the screen.

9-6 E-Con Graph Window Operations

(4) To exit the operation, tap on the ClassPad icon panel, or press the ClassPad c key.

This causes both the vertical line and the periodic frequency to disappear from the screen.

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9-7 E-Con Graph Window Operations

Analyzing a Graph Using Fourier Series Expansion

Fourier series expansion is effective for studying sounds by expressing them as functions. The procedure below assumes that there is a graph of sampled sound data already on the graph screen.

Fourier series expansion is possible only with data sampled using the EA-200s built-in microphone. Attempting the following procedure with any other type of data causes an error.

The angle unit for a function obtained using Fourier series expansion is always radians, regardless of the ClassPad's angle unit setting.

u To use Fourier series expansion to convert a waveform graph to a function (1) On the E-Con Graph window [Analysis] menu, tap

[Fourier].

If there are multiple graphs on the screen, you can use the up and down cursor keys to move between them. When the graph you want is displayed, press the E key.

(2) Use the left and right cursor keys to move the vertical line to the start point of the range for which you want to perform Fourier series expansion, and then press E.

Alternatively, you could tap the start point of the range with the stylus.

(3) Use the left and right cursor keys to move the vertical line to the end point of the range for which you want to perform Fourier series expansion.

Alternatively, you could tap the end point of the range with the stylus.

This displays a dialog box like the one shown to the right.

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9-8 E-Con Graph Window Operations

(4) On the dialog box, configure the settings as required.

Parameter Description

Specify a Graph Editor window sheet from Sheet 1 to Sheet 5 for

Graph Sheet storage of the numeric expression that results from Fourier series expansion. Note that any function expressions input on the sheet you specify here are overwritten.

Start Specify a value from 1 to 99 for the Fourier series expansion start degree.

Specify a value from 1 to 99 for the Fourier series expansion end

End degree. You can specify a start degree and end degree in the range of 0

The E-Con EA-200 application uses View Window settings that are independent of the View Window settings (O - [Settings] - [View Window]) for the ClassPad Graph window. This parameter specifies whether or not View Window settings of the E-Con Graph Window (source graph) should also be applied to the ClassPads View Window (result graph). The following explains the two settings that are possible for this parameter. Auto: This option overwrites the View Window settings of the

ClassPad with the View Window settings of the E-Con

View Window Graph Window. This setting makes it possible to apply the View Window settings used to draw the source graph with Fourier series expansion on the E-Con Graph window to draw a result graph on the ClassPad Graph window using the function obtained by Fourier series expansion.

Manual: Selecting this option causes the current ClassPad View Window settings to remain unchanged. In order to obtain a result graph that resembles the source graph, make sure that the start point and end point that you specify for the source graph is one period of the graph.

Start Point End Point

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9-9 E-Con Graph Window Operations

(5) After all the settings are the way you want, tap [OK].

This starts calculation. The Graph Editor window containing the numeric expression obtained as a result of the Fourier series expansion appears in the lower half of the screen when calculation is complete. At this time, the Graph Editor window is active.

(6) On the toolbar, tap $ to graph the expression obtained as the result of the Fourier series expansion on the Graph window.

Now you can compare the original graph on the E-Con Graph window and the graph of the expanded expression on the ClassPad Graph window to find out if they are the same.

Saving Sample Data

You can use E-Con Graph window operations to save the sampled data of a particular graph to a list type variable or a matrix type variable. You can save all of the data for the graph, or only the data in a specific range. The data saved to a variable can be recalled by other ClassPad operations.

u To save all of a graphs data to a list type variable (1) On the E-Con Graph window [Mem] menu tap [Store List] and then [All].

When there are multiple graphs, the above step changes the display to show only one. The displayed graph is the one that is selected for data save. Use the up and down cursor keys to cycle through the graphs until the one you want is displayed.

If there is only one graph, the above step displays the Store Data dialog box. In such a case, skip to step (3) of this procedure.

(2) Use the up and down cursor keys to cycle through the graphs until the one you want is displayed, and then press E.

This displays the Store Data dialog box.

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9-10 E-Con Graph Window Operations

Tap here and then select the destination folder from the list that appears.

Use the keyboard to input the variable name.

(4) After the settings are configured in the way you want, tap [OK].

Tip When the displayed graph is an FFT graph, a [Freq] (Frequency) parameter appears on the Store

Data dialog box in place of the [Time] parameter.

Note that you will not be able to save data of a graph drawn by assigning data to [Gph2], [Gph3], or [Lower] with the [Special] option on the Recall Data dialog box. See pages 8-6 and 8-9 for more information.

u To save the data in a specific range of the graph to a list type variable (1) On the E-Con Graph window [Mem] menu, tap [Store List] and then [Select].

When there are multiple graphs, the above step changes the display to show only one. The displayed graph is the one that is selected for data save. Use the up and down cursor keys to cycle through the graphs until the one you want is displayed.

If there is only one graph, the above step causes the vertical line to appear on the graph. In such a case, skip to step (3) of this procedure.

(2) Use the up and down cursor keys to cycle through the graphs until the one you want is displayed, and then press E.

This causes the vertical line to appear on the graph.

(3) Use the left and right cursor keys to move the vertical line to the start point of the range of data you want to save, and then press E.

Alternatively, you could tap the start point of the range with the stylus.

(4) Use the left and right cursor keys to move the vertical line to the end point of the range of data you want to save, and then press E.

Alternatively, you could tap the end point of the range with the stylus.

This displays the Store Data dialog box.

Now you can perform the steps starting from step (3) under To save all of a graphs data to a list type variable on page 9-9.

(3) On the Store Data dialog box, specify the name of the folder where the list variable is stored and the list name.

Time and data are stored in different lists. Specify a list name for each.

The time value is always stored as seconds.

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9-11 E-Con Graph Window Operations

Tap here and then select the destination folder from the list that appears.

Use the keyboard to input the variable name.

(3) After the settings are configured is the way you want, tap [OK].

u To save the data in a specific range of the graph to a matrix type variable (1) On the E-Con Graph window [Mem] menu, tap [Store Matrix] and then [Select].

This causes the vertical line to appear on the graph.

(2) Use the left and right cursor keys to move the vertical line to the start point of the range of data you want to save, and then press E.

Alternatively, you could tap the start point of the range with the stylus.

(3) Use the left and right cursor keys to move the vertical line to the end point of the range of data you want to save, and then press E.

Alternatively, you could tap the end point of the range with the stylus.

This displays the Store Data dialog box.

Now you can perform the steps starting from step (2) under To save all of a graphs data to a matrix type variable.

Tip Note that you will not be able to save data of a graph drawn by assigning data to [Gph2], [Gph3],

or [Lower] with the [Special] option on the Recall Data dialog box. See pages 8-6 and 8-9 for more information.

u To save all of a graphs data to a matrix type variable (1) On the E-Con Graph window [Mem] menu, tap [Store Matrix] and then [All].

This displays the Store Data dialog box.

(2) On the Store Data dialog box, specify the name of the folder where the matrix variable is stored and the matrix name.

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9-12 E-Con Graph Window Operations

u Saved Matrix Data Saving graph data to a matrix type variable saves it to a variable that has n lines and up to 6 columns, where n is the total number of samples in the saved data.

If the maximum number of graphs are not on the display (less than three in the case of Gph1, Gph2, Gph3; less than 2 in the case of Upper and Lower), data is not saved for the unused graph(s). Data is saved in columns only for the displayed graph(s), and blank columns are not included in the matrix for the unused graph(s).

When the number of samples for Gph1, Gph2 and Gph3 (or Upper and Lower) are not the same, matrix data is created in accordance with graph that has the greatest number of samples. Unused cells for graphs that have fewer samples than the graph with the greatest number of samples are filled with the data Undef (Undefined).

The following example shows how data is stored when there is data for Gph1 and Gph3 only, and Gph1 has n number of samples.

Tip The time value is always stored as seconds.

The storage capacity of the [Store Matrix] command is limited. If an error occurs, use [Store Matrix] - [Select] to decrease the size of the range, or use [Mem] - [Store List] to store the data as a list.

Sample 1

Sample 2

Sample n1

Sample n

Gph1 x-axis Value

Value

Value

Value

Value

Gph1 y-axis Value

Value

Value

Value

Value

Gph3 x-axis Value

Value

Value

Undef

Undef

Gph3 y-axis Value

Value

Value

Undef

Undef

Column Data

Row Data

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Outputting a Graph as a Sound from the Speaker

You can specify a range on a graph and output it from the speaker.

Note The following operation is possible only with data sampled using the EA-200s built-in

microphone. Attempting the following procedure with any other type of data, including that sampled with [CASIO] - [Microphone (FFT)] causes an error. The allowable output range is 200 to 4000 Hz.

u To output a specific range of a graph from the speaker (1) On the E-Con Graph window a menu, tap [Speaker Output].

When there are multiple graphs, the above step changes the display to show only one. The displayed graph is the one that is selected for speaker output. Use the up and down cursor keys to cycle through the graphs until the one you want is displayed.

If there is only one graph, skip to step (3).

(2) Use the up and down cursor keys to cycle through the graphs until the one you want is displayed, and then press E.

This causes the vertical line to appear on the graph.

(3) Use the left and right cursor keys to move the vertical line to the start point of the range of data you want to output from the speaker, and then press E.

Alternatively, you could tap the start point of the range with the stylus.

This registers the start point.

(4) Use the left and right cursor keys to move the vertical line to the end point of the range of data you want to output from the speaker, and then press E.

Alternatively, you could tap the end point of the range with the stylus.

After you specify the start point and end point, an Output Frequency dialog box appears.

9-13 E-Con Graph Window Operations

(5) Specify the output frequency on the dialog box.

Input a percent value for the output frequency value you want. To output the original sound as-is, specify 100%. To raise the original sound by one octave, input a value of 200%. To lower the original sound by one octave, input a value of 50%.

(6) After the settings are configured is the way you want, tap [OK].

This displays a dialog box like the one shown to the right.

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(2) Tap /.

This displays the Output Frequency dialog box.

(3) Specify the output frequency on the dialog box.

Input a percent value for the output frequency value you want. To output the original sound as-is, specify 100%. To raise the original sound by one octave, input a value of 200%. To lower the original sound by one octave, input a value of 50%.

9-14 E-Con Graph Window Operations

(7) Tap [OK].

This outputs the waveform between the start point and end point from the EA-200s speaker.

An error will result if the sound you configured cannot be output for some reason. Note that the supported output range is 200 to 4000 Hz. If an error occurs, tap [OK] and then perform the procedure from the beginning.

(8) To terminate sound output, press the EA-200 [START/STOP] key.

E-Con Graph Window Operations when Speaker (Sample Data) is Selected

After a sampling operation while [CASIO] - [Speaker (Sample Data)] is selected as the sensor, the ClassPad automatically graphs the sampled data on the E-Con Graph window. This E-Con Graph window includes buttons that only appear when [Speaker (Sample Data)] is selected: /, 8, and 9. These buttons can be used to horizontally stretch or compress the graph, and to output sampled data to the speaker.

Tip For details about [Speaker (Sample Data)] sampling parameters, see 2 Basic Steps for Configuring Sampling Parameters.

u To output from the speaker after sampling (1) Select [CASIO] - [Speaker (Sample Data)] as the sensor, and then perform sampling.

The Speaker Output window shown to the right appears after the sampling operation is complete. The sampling results are graphed in the bottom of the window.

On this screen, tapping 9 stretches the graph while tapping 8 compresses it. Tapping the button returns to the E-Con Graph window.

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9-15 E-Con Graph Window Operations

(4) After the settings are configured is the way you want, tap [OK].

This displays a dialog box like the one shown to the right.

Sample 1

Sample 2

Sample n1

Sample n

Gph1 x-axis Value

Value

Value

Value

Value

Gph1 y-axis Value

Value

Value

Value

Value

Gph3 x-axis Value

Value

Value

Undef

Undef

Gph3 y-axis Value

Value

Value

Undef

Undef

Column Data

Row Data

(5) Tap [OK].

This outputs the sampled sound from the EA-200s speaker.

(6) To terminate sound output, press the EA-200 [START/STOP] key.

(7) Tap [OK]. This returns to the Speaker Output window of step (1).

To return to the E-Con Graph window, tap the [Stop] button.

Dropping E-Con Graph Window Data into a ClassPad Built-in Application

You can drag data from the E-Con Graph window and drop it into the Main application work area, the List Editor window, or the Graph Editor window. The following explains the type of data that can be copied using drag and drop.

kSelecting a Specific Graph on the E-Con Graph Window and Dragging It to the Main Application Work Area

Regardless of which graph is selected, the above operation creates a matrix (n lines up to 6 columns; n = total number of samples) in the Main application work area, into which is placed all of the graphs in the E-Con Graph window.

If the maximum number of graphs are not on the display (less than three in the case of Gph1, Gph2, Gph3; less than 2 in the case of Upper and Lower), data is not saved for the unused graph(s). Data is saved in columns only for the displayed graph(s), and blank columns are not included in the matrix for the unused graph(s).

When the number of samples for Gph1, Gph2 and Gph3 (or Upper and Lower) are not the same, matrix data is created in accordance with graph that has the greatest number of samples. Unused cells for graphs that have fewer samples than the graph with the greatest number of samples are filled with the data Undef (Undefined).

The following example shows how data is stored when there is data for Gph1 and Gph3 only, and Gph1 has n number of samples.

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9-16 E-Con Graph Window Operations

Tip The time value is always stored as seconds.

The storage capacity of the above data storage operation is limited. If an error occurs, use [Mem] - [Store List] to store the data as a list.

kSelecting a Specific Graph on the E-Con Graph Window and Dragging It to the List Editor Window

Regardless of which graph is selected, the above operation creates six lists (list1 through list6) in the List Editor window, into which is placed the data of all of the graphs in the E-Con Graph window.

If the maximum number of graphs are not on the display (less than three in the case of Gph1, Gph2, Gph3; less than 2 in the case of Upper and Lower), data is not saved for the unused graph(s). Data is saved in columns only for the displayed graph(s), and blank columns are not included in the matrix for the unused graph(s).

When the number of samples for Gph1, Gph2 and Gph3 (or Upper and Lower) are not the same, list data is created in accordance with graph that has the greatest number of samples. Unused cells for graphs that have fewer samples than the graph with the greatest number of samples are filled with the data Undef (Undefined).

The following example shows how data is stored in lists 1 through 6 when there is data for Gph1 and Gph3 only, and Gph1 has n number of samples.

List

Sample 1

Sample 2

Sample n1

Sample n

Gph1 x-axis Value

List1

Value

Value

Value

Value

Gph1 y-axis Value

List2

Value

Value

Value

Value

Gph3 x-axis Value

List3

Value

Value

Undef

Undef

Gph3 y-axis Value

List4

Value

Value

Undef

Undef

Tip The time value is always stored as seconds.

The storage capacity of the above data storage operation is limited. If an error occurs, use [Mem] - [Store List] to store the data as a list.

kDragging E-Con Graph Window Message Box Contents to the Main Application Work Area or Graph Editor Window

In this case, the Message Box contents (connected sensor name, vertical axis name, horizontal axis name) are input as text into the location where they are dropped. The drag and drop operation is identical to that for standard ClassPad applications.

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10-1 Sensor List

10 Sensor List The following is a list of sensors that can be selected on the Sensor Setup window. The symbol indicates sensors that can be selected for the applicable tab ([Single] or [Multiple]) and channel.

Manufacturer

CASIO

Vernier*3

Sensor Name

Voltage (V)

Temperature (C)

Temperature (F)

Optical (Lum Int)

Motion (Meters)

Motion (Feet)

Microphone

Microphone-FFT

Speaker (Sample Data)

Speaker (y = f(x))

Low-g Accel H (m/s2)

Low-g Accel V (m/s2)

25-g Accel H (m/s2)

25-g Accel V (m/s2)

Barometer (atm)

Barometer (in.Hg)

Barometer (mBar)

Barometer (mm.Hg)

Conduct 100 (mg/L)

Conduct 1000 (mg/L)

Conduct 10000 (mg/L)

Conduct 200 (s)

Conduct 2000 (s)

Conduct 20000 (s)

Current (A)

Diff Voltage (V)

D-Range Force 50 (N)

D-Range Force 10 (N)

EKG (Volume)

[Single] Tab

CH1

(SONIC)

(SONIC)

*1

*1

*1

*2

[Multiple] Tab

CH1, CH2, CH3 SONIC

*1 EA-200 built-in microphone used as sensor. *2 Sound output from EA-200 built-in speaker in accordance with specified function. *3 Vernier Software & Technology

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10-2 Sensor List

Manufacturer

Vernier

Custom

Sensor Name

Gas Pressure (atm)

Gas Pressure (in.Hg)

Gas Pressure (kPa)

Gas Pressure (mBar)

Gas Pressure (mm.Hg)

Gas Pressure (psi)

Heart Rate (Volume)

Humidity (%)

Microphone

Motion (Meters)

Motion (Feet)

Photogate

Photogate (Pulley)

pH (pH)

Pressure (atm)

Pressure (kPa)

Pressure (mm.Hg)

Pressure (psi)

Thermocouple (C)

User-assigned name and unit

[Single] Tab

CH1

(SONIC)

(SONIC)

(SONIC)

(SONIC)

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