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Clarke 4501210 MD1200 Semi Professional Metal Detector Instructions PDF

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Summary of Content for Clarke 4501210 MD1200 Semi Professional Metal Detector Instructions PDF

SEMI PROFESSIONAL METAL DETECTOR MODEL NO: MD1200

PART NO: 4501210

OPERATION & MAINTENANCE INSTRUCTIONS

05/08

INTRODUCTION

Thank you for purchasing this CLARKE Metal Detector.

Before you try to use this product, read this manual and follow the instructions carefully. In doing so you will ensure your safety and the safety of others around you.

You can also look forward to a purchase that gives you long and satisfactory service.

GUARANTEE

This product is guaranteed against faulty manufacture for a period of 12 months from the date of purchase. Please keep your receipt which will be required as proof of purchase.

This guarantee is invalid if the product is found to have been abused or tampered with in any way, or not used for the purpose for which it was intended.

Faulty goods should be returned to their place of purchase, no product can be returned to us without prior permission.

This guarantee does not effect your statutory rights.

IN THE BOX

1 x Instruction Manual

1 x Control Unit

1 x Arm Brace

1 x Search Coil

SPECIFICATIONS

Model Number .............................................. MD1200

Power Supply: ................................................ 2 x 9 Volt PP3 Batteries

Sensitivity, Max Depth: .................................. 120 mm

Low Battery Indication: ................................. LED

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CODE OF ETHICS

When metal detecting, here are some basic rules that you should follow.

Always get consent of the landowner before you search any site.

Respect the rights and property of others.

Observe all national and local laws when you use the metal detector.

Do not destroy historical and archaeological treasures. If you do not know what you have found, contact your local museum or historical society.

Fill any holes that you have made and leave the land as you found it.

Only use the metal detector where safe to do so.

Dispose of any rubbish that you find in a safe area, do not leave it for somebody else to find.

Always follow procedures relating to finds as laid down in the Treasure Act 1996.

OVERVIEW

Stem locking nut

Headphones socket

Control panel and

Search coil

Handle Battery compartment

meter

Search coil

adjustment nut

Arm brace locking bolt

Arm brace

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THE CONTROL PANEL

NO NAME DESCRIPTION

1 Meter

2 Low Batt Low battery indicator, replace the batteries when this is lit

3 Sensitivity Used to adjust the sensitivity

4 Tuning Allows you to tune the detector

5 Volume Used to adjust the volume level

6 Discrimination Lets you adjust the detectors ability to distinguish between different types of metal

7 Ground Corrects for the metalic mineral deposits that normally occur in the ground

8 Mode Lets you select from OFF, VLF, TR1 and TR2

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PREPERATION

ASSEMBLING THE METAL DETECTOR Assembling your detector is easy and requires no special tools. Just follow these steps.

1. Unscrew the nut on the search coil and remove the knobs and connector. Insert the stem and align the holes on the search coil bracket and the stem.

Push the connector through the holes, then replace and tighten the nut.

2. Push the connector through the holes, then replace and tighten the knobs.

3. Turn the stem locking nut clockwise until it loosens.

4. Lengthen or shorten the stem so when you stand upright with the detector in your hand, the search coil is about 2.5-5 cm above the ground with your arm relaxed at your side.

5. Turn the stem's lock nut counter- clockwise to lock it in place.

6. Loosen the arm brace locking bolt and slide the arm bace into the control housing as shown.

7. Tighten the arm brace locking bolt to secure into place.

CAUTION: DO NOT OVERTIGHTEN THE SEARCH COIL OR USE TOOLS SUCH AS PLIERS TO TIGHTEN IT.

stem locking nut

arm brace locking bolt

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8. Wind the search coil cable around the stem. Leave enough slack in the cable to let you adjust the search coil when you are hunting on uneven ground.

9. Insert the search coil plug into the jack on the control housing.

10. Adjust the search coil to the desired angle.

The search coil should be parallel with the ground.

USING HEADPHONES

1. Insert your headphones into the headphone socket on the control housing.

Connecting stereo headphones automatically disconnects the loudspeaker. Headphones give slightly more sensitivity as they reduce external noise.

CAUTION: THE PLUG FITS INTO THE CONNECTOR ONLY ONE WAY. DO NOT FORCE THE PLUG OR YOU COULD DAMAGE IT.

CAUTION: TO DISCONNECT THE SEARCH COIL'S CABLE FROM THE DETECTOR, GRASP THE PLUG AND PULL IT OUT OF THE CONNECTOR. NEVER PULL ON THE CABLE.

CAUTION: DO NOT OVERTIGHTEN THE SEARCH COIL OR USE TOOLS SUCH AS PLIERS TO TIGHTEN IT.

CAUTION: Set the volume to the lowest level before putting on the headphones. Then adjust the volume to a comfortable level.

CAUTION: Do not wear headphones when operating near roads or traffic.

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INSTALLING BATTERIES Your detector requires two 9V alkaline batteries (not supplied).

1. If the detector is on, turn MODE to OFF.

When you turn the mode switch to OFF, the LOW BATT indicator flashes once.

2. Press the right battery compartment cover's tab and slide the cover off in the direction of the arrow.

3. Place a 9-volt battery into the battery compartment on top of the ribbon, matching the polarity symbols (+ and -) marked inside.

4. Replace the right battery compartment cover.

5. Repeat steps 2-4 with the left battery compartment.

Change all batteries at the same time.

You can extend battery life by using headphones, which require less power than the built-in speaker. See "Using Headphones."

If the LOW BATT indicator lights during normal use or the detector does not function properly, replace the batteries. If it still does not function properly, you might need to reset the detector.

CAUTION: USE ONLY FRESH BATTERIES.

CAUTION: DO NOT MIX OLD AND NEW BATTERIES OR DIFFERENT TYPES OF BATTERIES.

CAUTION: IF YOU DO NOT PLAN TO USE THE DETECTOR FOR A WEEK OR MORE, REMOVE THE BATTERIES. BATTERIES CAN LEAK CHEMICALS THAT CAN DESTROY ELECTRONIC PARTS.

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OPERATION

Your Metal Detector distinguishes between ferrous and non-ferrous metals. Ferrous metals contain iron, while non-ferrous metals such as gold, silver, copper, platinum, aluminum, lead, and zinc do not.

When the detector senses a metallic object, the meter reading changes and the detector sounds one of three tones. The tone depends on what metal is detected. The higher the tone's pitch, the stronger the detection.

HOW TO TURN THE DETECTOR ON OR OFF 1. Hold the detector in a comfortable position, then rotate MODE to the

desired position.

VLF (Very Low Frequency) - to adjust TUNE and GROUND. (See Adjusting Ground on page 12. and "Tuning the Detector' below.)

TR1 (Transmit 1) - to detect extreme differences in metals, such as iron and gold. The difference between iron and gold shows on the meter (iron in the ferrous section, gold in the non-ferrous section).

TR2 (Transmit 2) - to detect finer distinctions between metals, such as aluminum and gold (See Adjusting Discrimination on page 12.)

TUNING THE DETECTOR The TUNE control fine-tunes the balance between the detector's receiver and transmitter circuitry to provide consistent pointer and tone indications. Follow these steps to set TUNE.

1. Rotate VOLUME to the 10 o'clock position.

2. Set MODE to VLF.

3. Set GROUND, DISCRIMINATION, and SENSITIVITY to mid-range.

4. Hold the search coil at least 25cm away from the ground and any metal object, hold down the red button on the handle and slowly rotate TUNE until the meter pointer resets at or near 0.

As you search, you can fine-tune the detector using the other controls (See FINE-TUNING THE DETECTOR on page 12.).

NOTE: Press the red button on the handle at any time during operation to automatically return the pointer to 0.

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TESTING AND USING THE DETECTOR

To learn how the detector reacts to different metals, you should test it before you use it for the first time. You can test the detector indoors or outdoors.

INDOOR TESTING 1. Remove any watches, rings, or other metal jewellery you are wearing, then

place the detector on a wooden or plastic table.

2. Adjust the search coil's angle so the flat part faces the ceiling.

NOTE: Never test the detector on a floor inside a building. Most buildings have metal of some kind in the floor, which might interfere with the objects you are testing or mask the signal completely.

3. Set MODE to TR1.

4. Move a sample of the material you want the detector to find (such as a gold ring or a coin) about 5cm above the search coil.

NOTE:

The search coil will not detect without motion. You must move the object since you are not sweeping with the detector at this time.

If you are using a coin, the detector detects it more easily if you hold it so a flat side (not the edge) is parallel with the flat side of the search coil.

If the detector detects the material, the pointer moves to FERROUS or NON-FERROUS while the detector determines the type of metal it is detecting. If it detects non-ferrous metal, it also sounds a tone.

If the detector does not detect the material, check the LOW BATT indicator and verify that the search coil is properly connected. Also, you might need to fine-tune the detector SSee FINE-TUNING THE DETECTOR on page 12.

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OUTDOOR TESTING AND USE 1. Find an area on the ground outside where there is no metal.

2. Place a sample of material you want the detector to find (such as a gold ring or a coin) on the ground.

3. Set MODE to TR1.

4. While holding the search coil level about 2.5-5cm above the ground, slowly move the search coil over the sample, sweeping the search coil in a side- to-side motion.

SEARCH COIL SWEEPING HINTS:

Never sweep the search coil as if it were a pendulum. Raising the sides of the search coil, will cause false readings.

Sweep slowly and methodically.

If the detector detects the item, it sounds a tone and the pointer moves to the type of metal it found. When you detect metal, switch MODE TR1 to TR2 to determine the quality of the metal.

If the detector does not detect the material, make sure you are moving the search coil correctly.

NOTE:

The detector responds with a strong signal when it detects metal objects. If a signal does not repeat after you sweep the search coil over the target a few times, the target is probably junk metal.

False signals can be caused by areas containing large amounts of trash, electrical interference, or large irregular pieces of junk metal.

5. Try finding other metal in the area. When you find a metal item, wait a few seconds after the tone stops before continuing to allow the detector time to reset (or, press the red button on the handle to return the pointer to the center of the meter).

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FINE-TUNING THE DETECTOR After you become familiar with how your detector works, you can fine-tune it to make it less sensitive to interference and more selective in what it finds.

ADJUSTING SENSITIVITY To adjust the search coil's ability to detect objects at different depths in the soil, rotate SENSITIVITY between MIN and MAX. For maximum detection depth, leave SENSITIVITY set as high as possible. If the detector makes a "chattering" noise, decrease SENSITIVITY until the chatter stops.

ADJUSTING GROUND Setting GROUND takes a little time, but is critical for accurate operation. GROUND tunes out false signals from mineralized soil.

1. Set MODE to VLF and lower the search coil to 1.3-5cm above the ground.

If the pointer swings to the right (Nonferrous), turn GROUND to NORMAL.

If the pointer swings to left (Ferrous), turn GROUND to BASALT.

2. Raise the search coil about 25cm from the ground and press the red button on the handle. The pointer returns to the center.

3. Repeat Steps 1-2 until the pointer stays close to the center each time you lower the search coil to the ground.

After you set GROUND, the detector is set for the soil type at that particular site. Do not reset it until you use the detector at a different site.

ADJUSTING DISCRIMINATION Discrimination is the detector's ability to differentiate between ferrous and non-ferrous metals.

If MODE is set to TR2, start with DISCRIMINATION set to mid-range. While you use the detector, adjust DISCRIMINATION to the best position. As you set DISCRIMINATION higher, the detector becomes more sensitive to the differences between large aluminum and gold pieces, for example, but some small valuable pieces, such as coins and small rings, might be overlooked.

At setting 'Min' the detector will detect nearly all metal. as you increase the setting more objects will be rejected. On a high setting only the most conductive metals will be found.

NOTE: Each time you use the detector in a different area, you must readjust DISCRIMINATION.

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PINPOINTING A TARGET Accurately pinpointing a target makes digging it up easier. This takes practice, and we suggest you practice finding and digging up small metal objects on your own property before you search other locations.

Sometimes, targets are difficult to accurately locate due to the sweep direction. Try changing your sweep direction to pinpoint a target.

1. When the detector locates a buried target, continue sweeping the search coil over the target, in a narrowing side-to-side motion.

2. Make a visual note of the exact spot on the ground where the detector beeps.

3. Stop the search coil directly over this spot on the ground. Then move the search coil straight away from you and straight back towards you a couple of times.

4. Make a visual note of the exact spot on the ground where the detector beeps.

5. Repeat Steps 1-3 at a right angle to the original searchline, making an "X" pattern. The target will be directly below the "X" at the point of the loudest response.

NOTE:

If trash in an area is so heavy that you get false signals, slow your sweep speed and use shorter sweeps.

Recently buried coins might not respond the same as coins buried for a long period of time because of oxidation.

Some nails, nuts, bolts, and other iron objects (such as old bottle caps) oxidize and create a "halo" effect. A halo effect is caused by a mixture of natural elements in the ground and the oxidation created by different metals. Because of the metal mixtures, target signals might not be in a "fixed" position. This effect makes these objects very hard to detect accurately.

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DETECTION HINTS No detector is 100 percent accurate. Various conditions influence metal detection. The detector's reaction depends on a number of factors:

the angle at which the object rests in the ground

the depth of the object

the amount of iron in the object

the size of the object

FALSE SIGNALS Because your detector is extremely sensitive, rubbish-induced signals and other sources of interference might cause false signals.

To reduce false signals when searching areas containing large amounts of trash, scan only a small area at a time using slow, short overlapping sweeps.

PARTS AND SERVICING

For Parts & Servicing, please contact your nearest dealer, or CLARKE International, on one of the following numbers.

PARTS & SERVICE TEL: 020 8988 7400 PARTS & SERVICE FAX: 020 8558 3622

or e-mail as follows: PARTS

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