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Instruction Manual Page 1
4. Control Box
4.1 Rear Panel Controls
Power Switch
The Power switch controls the power supply from the battery to the control
box. Always switch the control box “Off” before connecting or disconnecting
the coil or battery, and when not in use.
Threshold
The Threshold control is used to adjust the loudness of background sound.
Minelab recommends a soft audible headphone signal that is comfortable
to listen to for extended periods.
Tone
The Tone control can be adjusted to suit an individual’s hearing by changing
the pitch of the background threshold tone.
Tune
The Tune control is used to lower the effects of electromagnetic interference
from sources such as power lines, radio transmitters and other metal
detectors.
Figure 3 - Rear Panel Controls