14
detector beeps without target being present. False signals can be induced by
electromagnetic interference, oxidation, or highly mineralized ground soils. If the detector
beeps once, but does not repeat the signal with several additional sweeps over the same
spot, there is probably no target present.
When searching very trashing ground, it is best to scan small areas with slow, short
sweeps. You will be surprised just how much trash metal and foil you will find in some
areas. The trashiest areas have been frequented by the most people, and frequently hold
the most promise for finding the most lost valuables.
5
．
4
GROUND BALANCING
Before using the
ALL METAL
mode, it is necessary to “Ground Balance” your detector,
this ground balancing adjustment offsets the effects of minerals and salts in the ground.
To GROUND BALANCE your detector:
1.
Use the ALL METAL mode to find a patch of ground which is free of metal objects.
You will use this section of ground to test the detector. The presence of any metal
objects in this area will interfere with this procedure.
2.
Lift the search coil waist high in the air.
3.
Begin with the ground balance (
GND BAL
) KNOB in the
P
position. Rotate slightly the
GND BAL
knob from P counter clockwise.
4.
Press
GND TRAC
.
5.
Lower the search coil to the ground, maintaining it
elevated about 1-1.5cm above the surface (be sure
that this ground does not contain metal).
If the detector emits sound with the search coil
1-1.5cm over the ground, repeat the above
steps 3 and 4.
If the detector remains silent with the search
coil 1-1.5cm over the ground, no further adjustment is necessary; the detector is
“GROUND BALANCED”. Otherwise, you have to adjust the sensitivity.
It is important to rotate the
GND BAL
knob in small increments in order to find the first
setting ( clockwise) at which the detector remains silent. To insure yourself of the optimal
adjustment, rotate the knob slightly clockwise from a silent-adjusted position to check for
the most clockwise silent position possible. If the KNOB is over-adjusted in the clockwise
direction, the detector can lose sensitivity.
As you search in different areas, it is necessary to verify the ground balance setting
periodically following the above procedure. Even in a geographical area, ground
Summary of Contents for GC1035
Page 1: ...1 METAL DETECTOR MODEL NO GC1035 ...
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