Operational, Basic, and Advanced Parameters
A-60 41-001160-01, Rev 00, Release 2.3
IP Phone Administrator Guide
Backlight Mode Settings (9480i, 9480i CT, 55i, 57i, 57i CT)
Parameter –
backlight mode
Backlight
(in Phone UI)
IP phone UI Options->Preferences->Display->Backlight
Configuration Files aastra.cfg, <mac>.cfg
Description Allows you to turn the backlight on the LCD, On, Off, or Auto. “The Auto”
setting sets the phone to turn off the backlighting after a period of
inactivity.
Format Integer
Default Value On
Range 0 (On - Turns the backlight on constant)
1 (Off - Turns the backlight off constant)
2 (Auto - Turns the backlight off after a period of inactivity.)
Example backlight mode: 2
Parameter –
bl on time
Backllight On Time
(in Phone UI)
IP phone UI Options->Preferences->Display->Backlight
Configuration Files aastra.cfg, <mac>.cfg
Description Allows you to set the amount of time, in seconds, that the backlight
stays ON before turning OFF because of inactivity. This settings is
applicable to the “Auto” mode only.
Format Integer
Default Value 10
Range 1 to 30
Example bl on timer: 15
