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2. Tap Emergency tone.
3. Tap Off, Alert, or Vibrate.
Display Settings
Adjusting your device's display settings not only helps you see
what you want, it can also help increase battery life.
Changing the Backlight Time Length
Select how long the display screen remains backlit after touch the
screen or press a key before the screen darkens.
1. Press
2. Tap 15 seconds, 30 seconds, 1 minute, 2 minutes, 10minutes,
or 30 minutes.
Note
Long backlight settings reduce the battery's talk and standby times. For
Changing the Contrast
the best battery performance, use the shortest convenient timeout.
Adjust your screen's contrast (brightness) to suit your
surroundings.
> Settings > Display > Screen timeout.
>
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