Battery Status; Earset Socket - Minelab F3 COMPACT Operation Manual

NOTE
The LED display will always be off when the detector is first switched
on.

3.1.6 Battery Status

Provided that the LED display is switched on, battery status can be
checked at anytime by pressing and holding down the Noise Cancel
button and then pressing and immediately releasing the LED On/
Off button. Once completed the LED display will indicate the battery
status for a period of three seconds.

3.1.7 Earset Socket

The F3 COMPACT has an internal speaker located inside the Main
Body, however, it can also be fitted with an Earset via the Earset
Socket. The procedure for connecting the Earset is described in
section 2.3.g.
A standard humanitarian demining Earset (Earset Speaker On)
permits the F3 COMPACT's internal speaker to continue to function
even when the Earset is connected.
For military countermine applications, an Earset that mutes the F3
COMPACT's internal speaker when the Earset is connected is available
(Earset Speaker Off). The Earset Speaker Off is identified by a short
length of green tubing located at the rear of the Earset plug.
Minelab strongly recommends that an operator always wears an
* WARNING *
Earset when using the F3 COMPACT detector.
F3 COMPACT Operations Manual
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