155. Press MENU/OK to select that color. COLOR displays.6. Repeat these procedures to set the NIGHT backlight color.Set LCD Contrast1. Press MENU/OK to activate the menus. Turn Channel Selectoruntil CONT displays.2. Press MENU/OK. Turn Channel Selector until DAY displays.3. Press MENU/OK. DAY blinks.4. Turn Channel Selector to cycle through the contrast options.(Lowest = 00; Highest = 15)5. Press MENU/OK to select the one you want. CONT displays again.6. Repeat these procedures to set the NIGHT contrast level.Set Brightness1. Press MENU/OK to activate the menus. Turn Channel Selectoruntil BRIGHT displays.2. Press MENU/OK. DAY displays.3. Press MENU/OK. DAY blinks.4. Turn Channel Selector to cycle through the brightness options.(Lowest = 00; Highest = 15)5. Press MENU/OK to select the one you want. BRIGHT displaysagain.6. Repeat these procedures to set the NIGHT brightness level.Set Beep Tone1. Press MENU/OK to activate the menus. Turn Channel Selectoruntil BEEP displays.2. Press MENU/OK. The current setting, ON or OFF, displays.3. Turn the Channel Indicator to select ON or OFF.4. Press MENU/OK to accept the setting; BEEP displays again.NOTE: WX Alert tone sounds even if Beep tone is turned off.Diagnostic Menus1. Press MENU/OK to activate the menus.2. Turn Channel Selector until DIAG displays.3. Press MENU/OK to enter the DIAG level.