Minelab GP 3500 Manuel d'utilisateur télécharger pdf (Page 9)

batteries

– continued

page 10

l 3 batteries l

GP 3500

page 10

Mains battery charger

The mains battery charger will charge the battery from local mains (AC) power outlets.

Step 1.

Connect the mains charger to a mains outlet.

Step 2. Connect charger to the battery using the power cable.

Step 3. Switch the mains outlet on.

The charger will recharge a completely flat battery in approximately 24 hours. Partially

discharged batteries will require a shorter period to recharge. Allow approximately 1.5 to

2 hours charging for each hour the battery was in use. The flashing rate of the charger

LED will decrease as the battery gains charge.

Vehicle battery charger

The vehicle battery charger will charge the battery from the cigarette lighter socket of most

motor vehicles.

Step 1. Connect the charger to the cigarette lighter socket and turn the ignition switch

to Accessories.

Step 2. Connect the detector battery to the charger using the power cable.

This supplies 12V power to the cigarette lighter socket. This voltage is converted by

the charger to charge the detector battery. A red LED indicator will flash while the

battery is charging. When the battery is flat the LED may flash fast enough so as to

appear constantly on. As the battery gains charge, the LED will flash at a slower rate.

Step 3. Leave the battery to charge for approx. 10 hours using this charger.

If the battery voltage of your vehicle drops below 11V, the charger will stop operating.

Therefore the battery charger should not flatten the vehicle battery. Check that your

vehicle battery is in good condition before camping in remote areas and run your

engine above idle speed for at least 30 minutes each day to keep your vehicle battery

charged.

CAUTION – The Vehicle Battery Charger is designed for use with vehicles, which

have a negative earth electrical system. Most cars manufactured after 1970 should have

negative earth electrical system. Connecting the charger to a vehicle with a positive earth

system will cause the fuse in the cigarette lighter plug to blow and the LED indicator will

not light. If you need to replace the fuse located in the cigarette lighter plug, you will need

to use a 3ag/10amp fuse.

detector sounds

l 4 controls and operation l

page 11

GP 3500 GP 3500

www.minelab.com

page 11

easy reference

DETECTOR SOUNDS - Explanations

In the course of operating your detector, there will be various noises and sounds that you may

hear. Here is an explanation of some of these sounds.

Threshold and Tone

This is the background sound produced by the detector. The level is set using the Threshold

control. The tone of the threshold is set using the Tone control.

Target Signal

This is the abrupt change of the tone and volume of the threshold sound when a target is

detected.

• The maximum level is set by the Volume control.

• The amount of tone variation is set by the Signal control.

• If the tone falls first and then rises, as the coil is passed over a target, this generally

indicates a large target.

• If the tone rises first and then falls, as the coil is passed over a target, this generally

indicates a small target.

Ground Noise

Irregular noises that are difficult or impossible to pinpoint when moving the coil over the

ground. Ground noise is caused by the changing chemistry or 'mineralization' of the ground.

Maintaining an accurate ground balance will greatly reduce this effect.

Tune Indication

An initial beep sounds, then while the detector is testing the range of bands for the most

stable, the threshold may become more quiet or chattery. Once selection is complete, three

sharp ‘beeps’ are given.

Low Battery Indication

If the battery level drops below the desired power to give adequate function,

a series of alarm signal pulses are given at half second intervals.

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Minelab GP 3500 Manuel d'utilisateur Page 9

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