14
GROUND BALANCE
SIMPLEX is designed to work without ground
balancing in Field and Park modes on most
terrains. However, for experienced users and
on highly mineralized grounds, ground
balancing will bring extra depth and stability to the
device.
Ground balance can be performed in two ways with the
SIMPLEX: Automatic and Manual.
When you press the Ground Balance / Confirm button,
the device will switch to All Metal mode automatically
regardless of the selected search mode and the
threshold will be heard.
90.0
Automatic Ground Balance
Automatic ground balance is performed as follows in all
search modes:
1. Find a spot where there is no metal.
2. Press and hold down the Ground Balance / Confirm
button and start pumping the search coil up and down
from about 15-20 cm (~6’’- 8’’) above the ground down
to 3 cm (~1’’) off the ground with smooth movements
and keeping it parallel to the ground.
15 - 20 cm
3 cm
3. Continue until a beep, indicating the completion of
ground balance, is heard. Based on ground conditions, it
usually takes about 2-4 pumps for the ground balance
to be completed.
4. Upon completion of the ground balance, ground
balance value is shown on the display. The device
continues to ground balance and produce a beep sound
as long as you keep pumping the coil. In order to ensure
that the ground balance is proper, ground balance at
least 2-3 times and check the ground balance values
on the display. In general, the difference between the
values shall not be higher than 1-2 numbers.
42.3
5. If you cannot ground balance, in other words, if
no beep sound is produced, it means that either the
ground is too conductive or not mineralized or there is a
target right below the search coil. In such a case, retry
ground balance at a different spot.
NOTE: If the ground mineralization is too low, automatic
ground balance may fail to work in other modes except
for the Beach mode.
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