Minelab GPX-4000 Service Manual download pdf (Page 11)

16 17

For comfortable, long term

detecting, it is important

that you take the time

to adjust the detector

correctly.

Adjusting the Detector

for Comfortable Detecting

Adjusting the Battery Harness:

A comfortable fitting of the battery harness will

ensure the longest detecting session possible,

without fatigue.

Ideally, the battery should be placed on your back so

that it counter-balances the weight of the detector.

You should be able to reach the switches of the

detector without putting excess strain on the bungy

cord.

Pull the straps outwards and downwards to tighten.

Push the straps back through the buckle to loosen.

Adjusting the Bungy Cord Clamp

(Bow Knuckle):

The correct position of the bungy cord clamp (bow

knuckle) along the shaft can help take the weight of

the coil.

Loosen the clamp screw so it can slide along

the shaft. Slide it to a position that feels most

comfortable for you.

You may need to change the length of the bungy cord

or the position of the bungy cord clamp when you

change coils or detect on sloping ground.

Holding the Detector:

Thread your arm through the armrest and strap.

Grasp the handle of the detector and rest your

forearm in the armrest.

Adjusting the Position of the Handle:

Your elbow should sit just above the back of the

armrest and you should comfortably grip the handle.

Slide the handle into position. Using a screwdriver,

tighten the two screws to hold the handle onto the

shaft. Adjust the strap on the handle for your own

comfort.

Adjusting the Length of the Lower Shaft:

The correct length of the lower shaft should allow

you to swing the coil in front of your body without

any uncomfortable stretching or stooping.

If the coil is too far from your body it will be difficult

to balance and manoeuvre while detecting.

If the coil is too close to your body it may detect your

pick, the battery or any other metal which you are

carrying, causing confusing sounds.

Rotate the twistlocks of the shafts counter-clockwise

to ensure that they are loosened.

Compress the spring pins of the shafts and move

them up or down to suit. Once all shafts are clipped

into position, rotate twistlocks clockwise onto the

shafts until they are firmly clamped.

Caution: Some operators

may find it more

comfortable to fit the

battery around the waist.

This is fine, but just make

sure that the detector isn't

producing a signal from the

battery. If using a large coil,

have the battery as high up

on your back as practical

and comfortable to avoid

any unwanted interference.

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Minelab GPX-4000 Service Manual Page 11

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