Talk switch while briefly pressing the H/M/L key, the
power level changes from 1W to 6W.
SETTING KEY LOCK
Press the LOCK UIC key to lock the radio's keys to prevent
accidental entry. LOCK displays when Key Lock is active.
Press LOCK UIC again to unlock the keys.
# Note: When Key Lock is active, only Push to Talk, Boost, and
keys are operational.
SETTING THE UIC CHANNEL MODE
The radio comes preset to use the channels assigned for
the US. If your current area uses Canadian or international
channel assignments, press and hold the LOCK UIC key to
rotate through the US, Canadian, and international channels.
TURNING THE KEY BEEP ON AND OFF
Key Beep is the tone that sounds when you press a key.
To turn Key Beep on or off, press and hold the ▲ or ▼ key
while turning the radio on (turn Key Beep on) or off (turn Key
The Liquid Crystal Display (LCD) is backlit for easy viewing
at night or in low light situations. Backlighting automatically
switches on every time a key is pressed (except Push to
Talk and BOOST) and off 10 seconds after the last key is
2. Press the icon again and the backlight level/color
changes in the following order:
White High (default) - White Medium - White Low -
Amber High - Amber Medium - Amber Low - White High,
Uniden Atlantis 275 Radio Owner's Manual
and the current backlight level/color displays.