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
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 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.
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.
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.
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Ground Balance
