Kogan KAMATANDETA User Manual page 9

F. SENSITIVITY.
Turn to any position from "0" to "10". The lowest sensitivity is represented with
"0" and the maximum sensitivity with "10". Turn SENSITIVITY to a higher
position when searching targets; Turn SENSITIVITY to a lower position when
searching in highly-mineralized soil or high electronic interference areas.
G. FREQ ADJ.
Adjust sensitivity with FREQ ADJ to avoid interference from any other metal
detector in the same area.
H. LOW BAT
The LOW BAT indicator lights to indicate it's time for the user to replace the
batteries.
I. Analog Meter
When the metal detector finds a metal target, the meter pointer will swing to the
right.