LG Revolution User Manual page 187

Screen lock sounds Checkmark to play a sound when the screen is
locked or unlocked.
Haptic feedback Checkmark to have the phone vibrate briefly when you
touch onscreen buttons and perform other actions.
Emergency tone Opens a dialog box where you can configure how the
phone reacts when you place an emergency call.
Display
Use the Display settings to configure brightness and other screen settings.
Brightness Opens a dialog box for adjusting the brightness of the
screen. For the best battery performance, use the dimmest comfortable
brightness.
Auto-rotate screen Checkmark to automatically switch the orientation of
the screen as you turn the phone sideways.
Animation Opens a dialog box where you can set whether you want to
enjoy animated transitions for some effects (such as opening menus), for
all supported effects (including when navigating from screen to screen),
or to enjoy a phone without any optional animation effects (this setting
does not control animation in all applications).
Screen timeout Opens a dialog box to set how long to wait after you
touch the screen or press a key before the screen darkens. For the best
battery performance, use the shortest convenient timeout.
Settings
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