MIDLAND G12 - Manual (Page 12)

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English
battery life, which is 400 cycles of charge/discharge on average.
It is completely normal for operating duty to decrease when the
batteries have reached the end of their life; at this point, you will
need to substitute the battery set.
5 Standard operations
5. Turning on/off
To switch on the transceiver, turn the ON/OFF/VOLUME knob
clockwise until you hear it click: the LCD display will light up and you
will hear a beep (acoustic signal). If the vibrating function has been
previously activated it will also vibrate for about one second (ref. par.
6.4).
2
The LCD display backlighting will automatically turn off after
approx. five seconds in order to save energy, though the display
itself will remain active.
To turn off the transceiver, turn the knob counter-clockwise until you
hear another click.
5.2 Back light of the display
Whenever you turn the device on and every time you press a
key (excluding PTT o CALL/LOCK keys), the display backlight is
automatically switched on for about five seconds so as to allow you
to read even in poor lighting conditions. If during the five seconds
you press another key, you extend the duration of the backlight by
another five seconds.
2
The display backlight absorbs additional battery charge. For this
reason you are advised to make moderate use
5.3 Checking the remain battery charge
When the transceiver is on standby (waiting for call), the battery
charge indicator shows the remaining level of charge according to
the following chart: