Samsung SGH-X105NBATMB - Manual (Page 18)

D isplay
15
Backlight
The display is illuminated by a backlight. When you press any
key, the backlight illuminates. It turns off if no key is pressed
within a given period of time, depending on the Back Light
menu option.
To specify the length of time for which the backlight is active,
set the Back Light menu option (Menu 5.1.5); see page 81
for further details.
You can also set the phone to use the backlight only during a
specified period time, via the Auto Light menu option (Menu
5.1.6); see page 82 for further details.
Main Screen Display
Your phone has a main screen display. It indicates that you
have an incoming call or a message, and notifies you at the
specified time when you set an alarm.
Service Light
The service light is in the top left-hand corner of the phone. It
flashes when services are available on the phone.
To activate or deactivate use of the service light, set the
Service Light menu option (Menu 5.1.7); see page 82 for
further details.
Service light