Ground Balance Procedure For Fixed - Minelab GPX-4500 Instruction Manual

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Instruction manual (54 pages)

Table Of Contents

Table of Contents

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Ground Balance Procedure

for Fixed

(For Ground Balance Type – General)

1 Find a clear area of ground without any targets.

Ground

Balance

2 Change the Ground Balance switch to Fixed.

Fixed

3 Whilst keeping the coil parallel to the ground, lower

and raise the coil between 25mm and 100mm

(1" and 4") over the ground. Try to lower the coil as

Tracking

close to the ground as possible without touching it.

4 While moving the coil press and hold the Quick-Trak

button. The Tracking program initiates a very fast

Ground Balance for a short time.

Note: This is the same effect as changing the Ground

Balance switch to Tracking on the front panel.

5 Continue moving the coil up and down until the

ground noise has stopped. When there is no longer

a change in the Threshold the detector is

'Ground Balanced'.

Note: A persistent signal may indicate a target in the

ground. If this occurs, then move the coil to a new

location and repeat the procedure.

6 Release the Quick-Trak button to return to the Fixed

position and commence detecting.

100mm (4")

Note: When searching in

Ground Balance reset in Fixed

Fixed it is very important

Whilst sweeping the coil to test if you are still in

to regularly check the

harmony with the ground stop, then raise and lower

Ground Balance and reset

the coil. If the Threshold remains stable then you

when required. Testing, by

are still ground balanced. If there is a change in the

Threshold you will need to reset the Ground

raising and lowering the

coil, is quick and simple and

Balance setting.

should become a regular

This is achieved by simply repeating steps 3–6 of the

part of your detecting