11.3 Backlight of LCD
You can change the backlight brightness of the LCD screen during phone activity and inactivity. The
backlight brightness automatically changes when the phone is idle for a specified time.
You can change the screen backlight brightness and time in the following settings:
Active Level: The brightness level of the LCD screen when the phone is active. Digits (1-9) represent
different brightness levels. 9 is the brightest level.
Inactive Level: The brightness of the LCD screen when the phone is inactive. You can select a low
brightness or turn off the backlight.
Backlight Time: The delay time to change the brightness of the LCD screen when the phone is inactive.
Backlight time includes the following settings you can choose from.
•
Always On: Backlight is on permanently.
•
Always,15s, 30s, 60s, 2min, 5min, 10min or 30min: Backlight is changed when the phone is
inactive after the designated time (in seconds).
11.3.1 Supported Backlight Options
The following table lists available options to configure the backlight of phone models/expansion modules.
11.3.2 Backlight Brightness and Time Configuration
The following table lists the parameters you can use to configure screen backlight brightness and time.
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