LG Optimus S User Manual download pdf (Page 68)

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.

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LG Optimus S User Manual Page 68