42 Ground Balance Procedure for Fixed
For Ground Balance type General.
1 Find a clear area of ground without any targets.
2 Change the Ground Balance switch to Fixed.
3 Whilst keeping the coil parallel to the ground, practise
raising and lowering the coil between 25mm and 100mm (1”
and 4”) over the ground. Try to lower the coil as 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”)
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