Dimmer Light SettingThe Dimmer Light setting sets the brightness of the display backlight.3:SYSTEM OPTION → 1:DIMMER1:HIGHSet the backlight to the brightest setting2:MEDIUMSet the backlight to be dimmer3:OFFSet the backlight offControlling How Much Information AppearsThe scanner normally displays trunk, frequency, receiving mode, and a signal meter when itis scanning. This option allows you to reduce how much information your scanner displays.3:SYSTEM OPTION → 2:SCREEN MASK1:ONDisplay all information2:OFFDisplay reduced informationTurning the Key Beep On/OffWhen Key Tone is turned on, the scanner beeps each time you press a key.3:SYSTEM OPTION → 3:KEY BEEP1:ONTurn on the key beep2:OFFTurn off the key beepLocking the ENTER keyTo prevent accidentally changing channel settings, you can lock the ENTER key.3:SYSTEM OPTION → 4:ENTER LOCK1:ONThe ENTER key is disabled.2:OFFThe ENTER key operates normally.Note: The ENTER key operates normally when selecting menu options, even when you setthe option to ON.22