Samsung SGH-I780 User Manual page 22

Adjusting the backlight settings
You can turn off or on the backlight of the screen to reduce
the power consumption.
To adjust the backlight settings:
1. From the Start menu, tap Settings → System tab →
Backlight.
2. Select the backlight settings:
In the Battery Power tab, set whether or not the
phone turns off the backlight automatically, if the phone
is not used for the specified period of time.
In the External Power tab, set whether or not the
phone turns off the backlight automatically, if the phone
is not used for the specified period of time, when
connected to an external power.
In the Keyboard tab, set whether or not the keypad
backlight turns off automatically, if the phone is not
used for the specified period of time. You can also set
the keypad backlight to turn off in daytime.
In the Brightness tab, select the brightness level.
3. Tap .
Getting started
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