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4” (10 cm)
Using the detector in all metal, find a clear area
of ground without any targets.
Hold the coil parallel and 4” (10 cm) above the
ground. Select
GROUND BALANCE*. A constant hum
known as the ground balance tone will sound
when the coil is held steady.
Continuously lower and raise the coil towards
and away from the ground and listen to the
ground balance tone. Try to lower the coil as close
to the ground as possible without touching it.
Adjust the ground balance using + and
-,
listening for minimum volume which will
occur during the transition from low to high.
If the tone is low, increase the ground balance
setting using
+, if the tone is high, decrease
the setting using
-. The menu scale and numeric
ID will indicate the chosen setting.
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If ground balance is in between two
numbers, select the lowest number.