- 32 -5.1. Backlight settingsSets up the backlight.- Note - (*)Whenever the backlight ON/OFF key ispressed, the backlight switches betweenON and OFF regardless of the backlightsettings in this menu.Refer to “3.6 Using backlight”.Tab Item Meaning ValueGeneralBacklight(*)Set whether or not to turn on thebacklight when any key is pressed or thescreen is tapped.Enable: Activate the backlight.Disable: Deactivate the backlight.Specify theilluminationtime (sec).Set the backlight ON time in seconds.The backlight is turned ON for aspecified period of time when any key ispressed or the screen is tapped.Battery Power: Backlight ON durationwhen the BHT is not placed in the CU.External Power: Backlight ON durationwhen the BHT is placed in the CU.Checkbox Value DescriptionChecked 0 Continuously ONChecked 1 to 600 1 to 600 secondsUnchecked - No backlightSelect theilluminationpart userapplicationlight.Select the location to be illuminatedwhen turning ON the backlight with theuser application.None: No backlightLCD: LCD backlight onlyKeypad: Keypad backlight onlyLCD and Keypad:LCD and Keypad backlightLCD/KeyboardLCDBacklightON LevelSelect the LCD brightness from fourlevels shown on the right.Off : Backlight turns OFF.Low Bright:(Dark)Mid Bright:High Bright:(Bright)Power SaveLevelSet the LCD backlight to turn offautomatically or go into the dim modewhen any key is pressed or the screen istapped.Off: Backlight turns OFF.Dim: Dim (Backlight stays ON faintly.)KeypadBacklightSelect a user operation for the keypadbacklight to turn on.Key press or Screen tap:The backlight is turned ON when any keyis pressed or the screen is tapped.Key press: The backlight is turned ONwhen any key is pressed.Disable: The backlight is Always OFF.General tab menu LCD/Keypad tab menuControl Panel