LG Optimus quest LTE User Manual page 94

To hear sound when you tap buttons, icons, and other on-screen
items:
1. Press >
2. From the DEVICE section, tap Sound.
3. Tap the Touch sounds checkbox. (A blue checkmark will appear.)
To hear sound when the screen is locked or unlocked:
1. Press >
2. From the DEVICE section, tap Sound.
3. Tap the Screen lock sound checkbox. (A blue checkmark will appear.)
To set the emergency tone option when an emergency call is
placed:
1. Press >
2. From the DEVICE section, tap Sound.
3. Tap Emergency tone.
4. Tap Off, Alert, or Vibrate.
To set your phone to vibrate when touching buttons and keys:
1. Press >
2. From the DEVICE section, tap Sound.
3. Tap the Vibrate on touch checkbox. (A blue checkmark will appear.)
> System settings.
> System settings.
> System settings.
> System settings.
Settings
93