Samsung SGH-T109OGATMB - Manual (Page 90)

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Greeting message
In this menu you enter the text which displays on the main screen when the phone powers on.
Backlight
A backlight illuminates the internal display and the keypad. When you press any key, the backlight turns on.
Backlight turns off when no keys are pressed within a given period of time, depending on the Backlight menu
setting. The display turns off after one minute to conserve battery power.
The On setting is how long the keypad backlight is on. The Dim option is the length of time after the keypad
backlight goes off that the display remains lit.
To specify the length of time the backlight is active, access the Backlight menu:
1. In Idle mode, press Menu ➔ Settings ➔ Display settings and press the Select soft key or the key.
2. Highlight Backlight and press the Select soft key or the key.
3. Select Duration and press the Select soft key or the key.
4. In the On field, select one of the following backlight durations: 10 sec, 30 sec, 1 min, 3 min, or 10 min.
5. Press the Down Navigation key to highlight the Dim option. Select the time the Dimming mode is on. Choose
between Off, 5 sec, 30 sec, 1min, or 3 min.
6. Press the Save soft key to retain your new settings.
Brightness
After you set the backlight duration, set the brightness levels.
1. In Idle mode, press Menu ➔ Settings ➔ Display settings and press the Select soft key or the key.
2. Highlight Backlight and press the Select soft key or the key.
3. Select Brightness and press the Select soft key or the key.
4. Use the Left or Right Navigation key to select the Brightness level.
5. Press the Save soft key to confirm your selection.