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LCD backlight
LCD lighting is on for the time set, and then goes out. You can select one of 5 seconds, 10
seconds, 20 seconds, 30 seconds, 1 minute, and 3 minutes, and Always.
LCD brightness
You can set LCD screen brightness to 40 %, 60 %, 80 %, or 100 %, and it has been basically set to
80 %.
Button lighting
Button lighting is on for the time set, and then goes out. You can select one of 5 seconds, 10
seconds, and 20 seconds, and it has been basically set to 5 seconds.
For power saving, the screen turns off automatically if there are no outside inputs. To turn it
on again, press a random key.
Ringtone/Vibrate
You can set notification methods (bell sound or mute) for incoming calls.
Press
key for Phone Settings → 4. Sounds → 1.
Ringtone/Vibrate
1.
Ringers: Produce Ringers.
2.
Vibration: Change to Vibration mode from Ring mode
3.
Mute: Reception screen is displayed without Ringers or Vibration.