Battery Status - Minelab F3 Mine Detector Operation Manual

a. Disabling and Enabling LED Display. The F3L factory pre-set
is LED display enabled but this feature can be disabled or
enabled as follows:
 Disable.
display, press and hold the
press and release the green Ground Balance button.
Once the LED display is disabled, unless subsequently enabled, the
LEDs will remain extinguished even if the detector is repeatedly
switched off and on.
 Enable.
display, press and hold the
press and release the green Ground Balance button.
Once the LED display is enabled, unless subsequently disabled, the
LEDs will be illuminated whenever the detector is switched on.
If an Earset Speaker OFF is connected to the detector, the LED
display will be automatically disabled for tactical reasons. However,
if required the LED display can be enabled as described above.

4.5 Battery Status.

The F3L detector can display the battery voltage level at any time by
pressing and holding down the
immediately releasing the
display will indicate the battery status for a period of three seconds.
With the detector switched on, to disable the LED
With the detector switched ON, to enable the LED
button and simultaneously, quickly
NOTE
button and simultaneously, quickly
NOTE
button and then pressing and
button. Once completed the LED
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