Samsung SGH-t619 User Manual page 104

Brightness control
You can adjust the display brightness to see it better in
different lighting conditions. Use the Left or Right
Navigation keys to change your settings. Press the Save
soft key to save your setting, or the Back soft key to cancel.
Front LCD Contrast
You can adjust the display brightness on the Front LCD by
to see it easier in different lighting conditions. Use the Left
or Right Navigation keys to change your settings. Press
the Save soft key to save your setting, or the Back soft key
to cancel.
Backlight
In this menu, you can select the length of time that the
keypad backlight is on and how much longer the display
is illuminated before going off.
The On setting is how long the keypad backlight is on. You
can select 15 seconds, 30 seconds, 1 minute, 3 minutes, or
10 minutes.
The Dim option is how much longer after the keypad
backlight goes off that the display remains lit. You can
select Off, 5 seconds, 15 seconds, 30 seconds, 1 minute, or
3 minutes.
For example, if you set On for 30 seconds and Dim for 5
seconds, after 30 seconds the backlight on the keys would
turn off and 5 seconds later the display light would turn
off.
Press the Left or Right Navigation key to adjust the
settings.
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