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2.3.2 EL Backlight
Overview
This terminal has the following functions to control the backlight. For more information refer to
Chapter 6 “Keyboard Controller”.
Manual Backlight ON/OFF function
Auto Backlight OFF function (ABO)
Auto Backlight Control function (ABC)
Manual Backlight ON/OFF Function
The backlight can be turned on and off with the following methods.
Press the 7 key after the Fn key to turn on or off the backlight.
Call the system library to turn on or off the backlight.
Auto Backlight OFF Function
This function automatically turns off the backlight when no key or touch panel input has been
occurred in the specified period of time. The time interval until the backlight is automatically turned
off can be set with the System Menu or the system library.
Auto Backlight Control Function
This function detects the intensity of ambient light and automatically turns on or off the backlight
accordingly. This function is set to off by default, however, it can be set to on using the System
Menu or system library. For more information about the system library refer to Chapter 8.6.2 “
System Library”.