Automatic Ground Balance
Ground balance can be performed in three ways in RACER: Automatic, Manual and TRACKING.
If the trigger is pushed forward while performing automatic or manual ground balance, the
device will switch to the All Metal mode automatically on the background without any
indication to the user, regardless of the selected search mode.
Upon completion of ground balance, current ground balance value is shown in the GROUND
PHASE box on the right top corner of the display.
Automatic ground balance is performed as follows in all search modes:
1. Find a spot where there is no metal.
2. Push the ground balance trigger forward (GROUND BALANCE value and “Pump the Coil”
warning message is shown on the display) 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.
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 the trigger
pushed forward and pump 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.
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. Perform manual ground balance if it
still fails.
When the ground balance trigger is released, the device continues to operate in the All Metal
mode for a short period of time and ground balance value stays on the display. This makes it
possible to manually fine tune the automatic ground balance value. Refer to the following
Manual Ground Balance section for further information regarding this feature. If this is not
desired, pull and release the trigger once to return to the main screen.
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Ground Balance
