ALE M3-M5-M7-M8 DeskPhones Administrator Guide
It configures the delay time (in seconds) to change the intensity of the LCD screen when
the IP phone is inactive.
0-Always On
15-15s
30-30s
60-1min
120-2min
300-5min
600-10min
1800-30min
Settings → Display → Backlight Timeout
Menu → Basic Setting → Display → Backlight → Backlight Time
11.4 Backlight of LED (Only for M8)
The M8 phone supports changing the LED backlight brightness for digital keys on dialing pad.
You can configure the display brightness level on phone UI or WBM.
Note: If the value of parameter “SettingLedSyncBacklightEnable” is true, the backlight brightness of LCD and
LED will be adjusted synchronously.
11.4.1 Supported Backlight LED Options
The following table lists available options to configure the LED backlight of phone models/expansion
modules.
Phone Model (and the connected
expansion module)
LED Inactive Level
LED Active Level
LED Backlight Time
11.4.2 LED Backlight Brightness and Time Configuration
The following table lists the parameters you can use to configure the LED backlight brightness and time.
SettingLedSyncBacklightEnable
It configures whether synchronized with LCD backlight configuration
Settings → Display → LED Synchronize
Menu → Basic Setting → Display → Backlight → LED Synchronize
It configures the intensity of the LED backlight when the phone is inactive.