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Ground Balance
Manual Ground Balance
Allows you to manually modify the ground balance value. It is not preferred mostly
because it takes time. However, it is the preferred option in cases where a successful
ground balance cannot be performed using other methods or minor corrections are
required to the automatic balance.
RACER 2
is designed to allow for automatic ground balancing conveniently on any type of
ground. Therefore, it is recommended to perform automatic ground balance upon start up.
However, the ground may not be suitable for automatic ground balancing in some cases
and the device cannot ground balance on such grounds (Except for the beach mode). For
instance, wet beach sand, soils containing alkali or salty water, lands with high waste metal
content, ploughed fields, high mineralized grounds and grounds with very low
mineralization are not suitable for automatic ground balance. We recommend manual
ground balancing for making it easier to search in such areas. Manual ground balance
requires a skill which develops over time through practice.
For performing manual ground balance:
1. Find a spot without metals and switch the device to the All Metal mode.
2. You need to listen to the sounds coming from the ground in order to perform manual
ground balance. Pump 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.
If the sound gets higher when lifting off the search coil above the ground, the ground
balance value is too low, in other words, the effect from the ground is negative and the
ground balance value needs to be increased by using the ( + ) button. On the other hand,
if the sound gets higher when lowering the search coil to the ground, the ground balance
value is too high, in other words, the effect from the ground is positive and the ground
balance value needs to decreased by using the ( - ) button.
3. Push the ground balance trigger forward once and release it. The ground balance value
will be shown on the display and remain there for a moment. You can return to the ground
balance screen by pushing the ground balance trigger forward if the screen switches.
4. Repeat the above procedure until the sound heard from the ground is eliminated.
The sound may not be eliminated completely in some areas. In these cases, listen to the
sounds produced when moving the search coil towards and away from the ground to
check if the ground balance is correct. If there is no difference between the two sounds
then the ground balance is set properly.
Manual ground balance functions within the range of
0-99. However, each value covers 5 steps used for fine
tuning within itself and these steps are indicated as
multiples of 20 in the Ground Phase indicator shown on
the display. For example, ground balance value shown
on the side is 70.80.
Press ( + ) and ( - ) to increase and decrease the ground
balance value, respectively. If the key is pressed once at
a time, the values count one by one and if kept pressed down, they change quickly.
