Samsung SGH-D415MSATMB - Manual (Page 22)

Your Phone
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Backlight
The backlight illuminates the display and the keypad. When you
press any key or push the slider up, the backlight turns on. It
turns off when no keys are pressed within a given period of
time, depending on your setting in the Back Light menu
(Menu 8.2.4). When no keys are pressed the display turns off
after one minute to conserve your battery power.
To specify the length of time the backlight is active, set the
Back Light menu. See “Back Light” on page 119 for further
details.
Service Light
The service light is below the display. It flashes when services
are available on the phone.
To activate or deactivate the service light, set the Service
Light menu (Menu 8.2.5). See page 119 for further details.
Shows the level of your battery. The more bars you see,
the more power you have remaining.
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