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54 2C. Settings
To hear sound when the screen is locked or unlocked:
1. Press > > Settings > Sound.
2. Tap Screen lock sounds. (A green checkmark will
appear.)
To set your device to vibrate when touching buttons and
keys:
1. Press > > Settings > Sound.
2. Tap Haptic feedback. (A green checkmark will
appear.)
To set how the phone reacts when you make an
emergency call:
1. Press > > Settings > Sound.
2. Tap Emergency tone.
3. Tap Off, Alert, or Vibrate.
Display Settings
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 > > Settings > Display > Screen
timeout.
2. Tap 15 seconds, 30 seconds, 1 minute, 2 minutes, 10
minutes, or 30 minutes.
Changing the Contrast
Adjust your screen’s contrast (brightness) to suit your
surroundings.
1. Press > > Settings > Display > Brightness.
2. Use the slider to set a brightness level.
Note: Long backlight settings reduce the battery’s talk and
standby times. For the best battery performance, use
the shortest convenient timeout.