Operation-Volume/Sensitivity Control - Minelab F3 Operation Manual

4.3

Operation-Volume/Sensitivity Control.

default (middle) V/S setting, it is possible to increase or decrease
V/S levels in five steps. Regardless of the V/S level selected, the
volume of the Threshold Tone will remain the same. For safety
reasons, the V/S setting will always commence at the default
(middle) setting every time the F3L is switched on. The Test Piece
Procedure must ALWAYS be carried out at the default V/S level
setting.
Decreasing the Volume/Sensitivity of the F3 detector also
decreases the sensitivity (depth of detection) of the detector,
thereby increasing the possibility of missing minimum metal
a. Increasing Volume/Sensitivity.
press and release the Volume/Sensitivity
number of times (maximum five times from default level). During
each button press, a short high-pitched tone will be heard. When
the maximum V/S level is reached a long high-pitched tone will
be heard.
b. Decreasing Volume/Sensitivity. To decrease the V/S level,
press and release the Volume/Sensitivity
number of times (maximum five times from default level). During
each button press, a short low-pitched tone will be heard. When
the minimum V/S level is reached a long low-pitched tone will be
heard.
c. Resetting Volume/Sensitivity to Default Setting. Where the
V/S setting has been adjusted, it can be restored to default level
by:
• • • •
pressing and releasing the
double tone is heard,
• • • •
pressing and holding the
quickly pressing and releasing the black Noise Cancel Button, or
**WARNING**
mines.
To increase the V/S level,
or
button and then simultaneously
23
button the required
button the required
buttons as required until a
From the