Sony GBL-T3 Setting Guide PDF

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Summary of Content for Sony GBL-T3 Setting Guide PDF

Adjusting the gimbal parameters (GBL-T3)

Airpeak gimbal setting guide

Correct adjustment of the gimbal is essential for proper use. Please review the following explanation and make any necessary changes to the gimbals settings.

Please refer to Help Guide for the instructions on how to mount and use the gimbal.

Preset of motor parameters .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Important note: Be sure to do this before using the gimbal. To use the gimbal correctly, you need to enter the appropriate motor parameters for your camera and lens. This section describes how to apply motor control presets all at once.

Manual adjustment of motor parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 If the motor parameters of the gimbal do not match due to the difference in weight when the camera is equipped with accessories (such as a hood, a filter, etc.) or the individual differences in the gimbal, you need to manually adjust the motor parameters. This section will teach you how to do this.

Calibration .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Normally, it is not necessary to do this calibration. Only do this if you experience symptoms of drift, such as if the camera cannot be leveled, if the angle gradually shifts, etc. Follow these steps to execute Gyro calibration of the IMU sensor.

Overview

Airpeak gimbal setting guide I Overview 1

Main tuning

StartApply a preset

To use the gimbal correctly, you need to enter the appropriate motor parameters for your camera and lens. This section describes how to manually enter motor parameters and how to apply presets all at once.

Sections: 1. How to input motor parameters with Airpeak Flight 2. Apply preset at once

Preset of motor parameters

1. How to input motor parameters with Airpeak Flight

1 Tap Settings at the top right of the Airpeak Flight app screen.

2 Tap [Gimbal] from the displayed setting menu.

3 Tap [Main Tuning] to display the parameter setting screen for motor control.

4 Each parameter value can be changed by moving the slide bar or tapping the value on the right side and entering the value via the on-screen keyboard that is displayed.

2. Apply preset at once

1 Tap Settings at the top right of the Airpeak Flight app screen.

2 Tap [Gimbal] from the displayed setting menu.

3 Tap [Main Tuning] to display the parameter setting screen for motor control.

4 Tap [Start] in [Apply a preset] menu at the top of the motor parameter setting screen.

5 Select a camera and lens and apply motor parameter presets.

Once applying preset has been done, refer to Trouble Shooting in Manual adjustment of motor parameters section as needed.

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Note: The preset values of the motor parameters are the values under the condition without a lens hood,

and with a filter attached. Check Compatibility to know the camera body

and lens supported by this product.

Airpeak gimbal setting guide I Preset of motor parameters 2

If the motor parameters of the gimbal do not match due to the difference in weight when the camera is equipped with accessories (such as a hood, a filter, etc.) or the individual differences in the gimbal, you need to manually adjust the motor parameters.

Please install PC software gTuneDesktop by Gremsy for motor parameters adjustment.

Sections:

1. About motor parameters 2. Connect gimbal to PC 3. Start gTuneDesktop and input initial parameter 4. Adjust motor parameters on each axis 5. Check the image 6. Trouble shooting

Manual adjustment of motor parameters

1. About motor parameters

Stiffness It is a parameter to control the horizontal stability of gimbal. (Min: 0

` Max: 255)

A higher value causes gimbal oscillation, while a lower value causes decreased stability.

*This value varies depending on the model of camera and lens used.

Gyro Filter, Output Filter It is a parameter to control the effect on gimbal oscillation control. (Min: 0

` Max: 10)

A higher value can suppress oscillation but will sacrifice horizontal stability.

Hold Strength It is a parameter to control the holding strength of gimbal position. (Min: 0

` Max: 100)

The gimbal can hold the position with a higher value, but oscillation will occur.

Gain It is a parameter to control the speed of gimbal returning to horizontal. (Min: 0

` Max: 255)

The gimbal can be leveled quickly with a higher value, but oscillation will occur.

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2. Connect gimbal to PC

1 Before motor parameter adjustment, please double check the gimbal is properly balanced. If it is not balanced, refer to Startup Guide or Help Guide and try the balance adjustment again.

2 Control cable needs to be disconnected during motor parameter adjustment. With the power source of Airpeak turned off, disconnect one side of the control cable as shown in the image below.

Airpeak gimbal setting guide I Manual adjustment of motor parameters 4

Control cable

Note: Pull out this lock while pinching the top and bottom.

3 Turn the aircraft on.

4 Turn the camera on to avoid a position change of the focus unit in the lens.

5 Connect your PC and Gremsy gimbal with supplied microUSB cable.

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3. Start gTuneDesktop and input initial parameter

1 Start gTuneDesktop, select Gremsy T3, then press the [CONNECT] button.

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2 After connecting, the screen will switch to [SETTINGS]. Press the Lock button at the top left of the screen. Note: All subsequent operations must be performed in Lock mode.

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3. Start gTuneDesktop and input initial parameter (continued)

3 Depending on the model of camera used, set the following motor parameters for both [BASIC] setting and [EXPERT] setting.

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Hint: In [SETTINGS], you can switch between [BASIC] setting and [EXPERT] setting with the slide button on the center of the screen.

BASIC SETTING

STIFFNESS

TILT 20

ROLL 20

PAN 20

FILTER GYRO FILTER 1

OUTPUT FILTER 6

EXPERT SETTING

HOLD STRENGTH

TILT 50

ROLL 40

PAN 50

GAIN 180

Table of Motor parameters for initial setting (Except ILCE-7C)

Table of Motor parameters for initial setting (ILCE-7C)

BASIC SETTING

STIFFNESS

TILT 20

ROLL 20

PAN 20

FILTER GYRO FILTER 1

OUTPUT FILTER 6

EXPERT SETTING

HOLD STRENGTH

TILT 55

ROLL 40

PAN 55

GAIN 180

BASIC setting screen EXPERT setting screen

4. Adjust motor parameters on each axis

Adjust the motor parameters on each axis in the following order to get a proper response without any overshoot on the graph: TILT ROLL PAN

1 Check the graph.

A. Press the [MONITOR] button to switch to the MONITOR screen.

B. Press the arrow button on the right side of the MONITOR screen to renew the graph.

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Monitor screen Graph

C. Press the [SETTINGS] button on the originally open screen to return to the BASIC setting screen.

D. Place the SETTINGS screen and the graph screen side by side.

BASIC setting screen Graph screen

4. Adjust motor parameters on each axis (continued)

2 TILT axis parameter adjustment.

A. While holding the gimbal so that it doesnt roll, push the TILT axis of the gimbal directly by hand and move it up to +10 degrees (Angle of the TILT axis will be displayed at the top of BASIC setting screen).

B. Quickly release your hand from the gimbal.

C. If an overshoot happens, increase the TILT value on the SETTINGS screen and move the TILT axis +10 degrees again then check if the overshoot is eliminated (The recommended incremental value is around 5).

D. Repeat steps B C until there is no overshoot. Search for the minimum value, as gimbal oscillation will occur when the value is too high.

E. Do the same sequence with the opposite direction (-10 degree) and set the TILT value.

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+10 degree tilt

(-10)

(+10)

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Hint: The graph screen on the right figure below, you can see that the graph goes over the center part and penetrates to the lower side (so-called overshoot).

NO Overshoot Overshoot

Hint: In the left figure below, there is no overshoot in the positive direction, but there is in the negative direction. Increase the TILT value to eliminate the overshoot in both direction as shown in the figure on the right.

Overshoot

NO overshoot

No Overshoot

NO overshoot

4. Adjust motor parameters on each axis (continued)

Airpeak gimbal setting guide I Manual adjustment of motor parameters 10

3 ROLL axis parameter adjustment.

In the same sequence as TILT axis adjustment, tune the parameter in ROLL axis.

While holding the gimbal so that it doesnt move in PAN axis, push the left side of the gimbals ROLL axis down with your hand until it reaches 10 degrees.

Increase the ROLL value in BASIC setting until the overshoot is eliminated. Search for the minimum value, as gimbal oscillation will occur when the value is too high.

4 PAN axis parameter adjustment.

In the same sequence as TILT axis adjustment, tune the parameter in PAN axis.

While holding the aircraft so that it doesnt move, push the gimbal in PAN axis until it reaches 10 degrees.

Increase the PAN value in BASIC setting until the overshoot is eliminated. Search for the minimum value, as gimbal oscillation will occur when the value is too high.

(-10)

(+10)

(+10)

(-10)

Hint: PAN value in the BASIC setting screen would change because the gimbal is not connected to the aircraft and the gimbal can move in PAN axis.

If this phenomenon occurs, press the POWER button near the upper left of the screen to turn the gimbal off. After a few seconds, press this POWER button again then the gimbal turns on with initial (0 degree) position.

4. Adjust motor parameters on each axis (continued)

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5. Check the image

1 Turn on the controller and the mobile device, then check the image of main gimbal with Airpeak Flight. Make sure that there is no oscillation on the screen. If oscillation occurs, identify which axis is vibrating by decreasing axis value of each axis around 20 in BASIC setting of gTuneDesktop.

Once you find the vibrating axis, adjust the value by around 5 to 10, then re-check the image on Airpeak Flight.

If the image is still vibrating, turn off the aircraft and double check that the balance of the gimbal is properly adjusted.

2 Pull out the microUSB cable and turn off the aircraft. Re-connect the control cable which you disconnected in Connect gimbal to PC section.

The image is jiggling

If the image is jiggling while hovering or flying slowly, try the following adjustments:

Increase STIFFNESS value by 5 to 10.

Decrease HOLD STRENGTH value. Do not set the value lower than 40. If you change the HOLD STRENGTH value, you need to adjust the STIFNESS value as well.

Decrease GAIN value. Do not set the value lower than 150. If you change the GAIN value, you need to adjust the STIFNESS value as well.

6. Trouble shooting

Here are hints for manual adjustment of motor parameters for movie shooting. It is not necessary to adjust every parameter.

Double check the following points before changing the motor parameters:

The balance of gimbal is properly adjusted.

Bottom lever of the camera plate and the top camera screw are firmly tightened.

If you have some problems after Preset of motor parameters

- Choose correct model of camera and lens.

- Ensure parameter is applied correctly.

While shooting movie, rolling shutter effect might occur depending on the model, shooting mode, or settings. It would be recommended to set a shutter speed slower than double the framerate.

Airpeak gimbal setting guide I Manual adjustment of motor parameters 12

6. Trouble shooting (continued)

The temporary vibration occurs in the image

With quick acceleration or slow down, the image may temporarily vibrate. This may be avoided by taking the following actions:

Decrease STIFFNESS value by 5 to 10.

Increase HOLD STRENGTH value. Do not set the value higher than 55. If you change the HOLD STRENGTH value, you need to adjust the STIFNESS value as well.

The image resolution gets lower

If the image quality gets lower while hovering or flying slowly, try the following adjustments:

Decrease STIFFNESS value by 5 to 10.

Decrease HOLD STRENGTH value. Do not set the value lower than 40. If you change the HOLD STRENGTH value, you need to adjust the STIFNESS value as well.

The image is distorted or undulate

With quick acceleration or high-speed flight, image may be distorted or undulate. This may be avoided by taking the following actions:

Decrease STIFFNESS value by 5 to 10.

Decrease HOLD STRENGTH value. Do not set the value lower than 40. If you change the HOLD STRENGTH value, you need to adjust the STIFNESS value as well.

Here are the steps to execute Gyro calibration of the IMU sensor.

Normally, it is not necessary to do this calibration. Only do this if you experience symptoms of drift such as camera cannot be leveled, angle gradually shifts, etc.

Please install PC software gTuneDesktop by Gremsy for calibration.

Calibration

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Attention:

Calibrate the gimbal on a level and stable surface.

Do not touch or move the aircraft or gimbal while calibration is in progress.

Do not select ACCEL in the center of IMU screen.

Calibrating the Gyro of the IMU sensor

1 Connect the gimbal to the aircraft and turn it on.

2 Once the gimbal gets active, connect the gimbal to PC with supplied microUSB cable.

3 Run gTuneDesktop. Select Gremsy T3 in the menu, then press CONNECT button in the bottom right.

4 Screen will be switched to [SETTINGS] as the connections are done, then press IMU tab.

5 Press CALIBRATE button, then press OK to start calibration.

6 After the calibration is finished, press POWER to turn the gimbal on.

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Airpeak gimbal setting guide I Calibration 14

Hint: When the initial position of gimbal is not level

The angle can be adjusted with the controller.

Use a remote controller in operation role Sub.

Tap Settings in the top right on Airpeak Flight.

Tap Remote controller in the displayed setting menu.

Tap Stick and select Mode 3 or Mode 4 in the Stick operation mode menu.

Tilt the left stick left and right to balance the gimbal horizontally.

Software

gTuneDesktop is a PC software developed by Gremsy. By connecting to Gremsy gimbal, the software can:

Change parameters

Calibrate the sensor

Check the position of gimbal

Update firmware

Get USB derive and software from following websites.

Installers

1 USB Driver

Download Universal Windows Driver from below site.

*This link will direct you to Silicon Laboratories, Inc website.

2 gTuneDesktop

* This link will direct you to GitHub, Inc website.

Download

Download<

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