Uniden ATLANTIS 275 English Owners Manual - Page 23

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 Beep off). BACKLIGHTING 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 pressed. 1. Press and the current backlight level/color displays. 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, etc. Uniden Atlantis 275 Radio Owner's Manual E-17