Ground balance is to set up a metal detector to ignore ground minerals. If the Fisher F70 metal detector is not set up correctly, the minerals soil will give a positive or negative response, depending on the direction in which the settings are incorrect. If the ground balance is wrong, repeat this procedure.
In order to activate the automatic ground Balance, you need to press and hold the button. Fisher F70 metal detector determines magnetic radiation of natural minerals in the soil. Once the sensor has determined the composition of soil, you can use the data to adjust search Discrimination or Auto tone. The GROUND GRAB you can use during a search at any time. While holding the button, the movement of the search coil are up and down. See soil balance.
