Uniden ATLANTIS 155 English Owners Manual - Page 24

ADJUST LCD CONTRAST Adjust the LCD contrast to make the images on the LCD clearer and easier to see. You must first enter LCD contrast adjustment mode. 1. Turn off the radio, and then turn it on again while pressing and holding 16/9 TRI and WX ALERT. 2. Press VOL and VOL to change the levels (0 - 31). The contrast level displays and blinks. KEYPAD LOCK To prevent accidental entries, you can lock the keypad. Press and hold H/L LOCK until it beeps to activate Keypad Lock. LOCK displays on the LCD. When Keypad Lock is active, a warning beep sounds and LOCK blinks if you try to press any keys other than PTT, BOOST, or power. The radio retains Keypad Lock status even when you cycle power on/off. To unlock the keypad, press and hold H/L LOCK again. LOCK disappears. KEY BEEP Key Beep is the tone that sounds when you press a key. To turn Key Beep on or off, press and hold the CH or CH key while turning the radio on. When Key Beep is on, all key beeps are enabled. When Key Beep is off, all key beeps are disabled except WX Alert Tone. SPEAKER VIBRATION TONE If the radio falls overboard into the water, you can trigger a tone to help remove water through the speaker. This tone vibrates the speaker and helps push water out the drain hole and speaker openings. 1. Press both VOL and VOL to activate this feature. The speaker vibrates and a tone sounds. 2. Press any key to turn off the tone. E-24 Uniden Atlantis 155 Owner's Manual