Samsung SGH-S150ZKATFN - Manual (Page 23)

Understanding Your Phone 17
Backlight
A backlight illuminates the display and the keypad when you press
any key. The backlight dims or turns off when no key is pressed
within a given period of time. Go to the Backlight Time menu to
modify these settings.
1. Press Menu ➔ Settings ➔ Display ➔ Light Settings ➔
Backlight Time.
2. Select the On option to set the period of inactivity before the
screen dims.
Appears when the Silent Profile is set. In Silent mode,
your phone displays information, but the speaker is
muted and the phone vibrates to alert you. You can
edit these Silent profile settings.
Appears when the Profile is set to Driving. In Driving
mode, the speaker is active and launches the
currently selected ringtone or melody when the
associated notification is activated. You can edit
these Driving profile settings.
Appears when the Profile is set to Outdoor. In this
case, the speaker is active, the volume settings are
raised to their highest levels, any currently active
ringtones or melodies are activated, and the phone’s
vibrate feature is activated. You can edit these
Outdoor profile settings.