LG LW770 - Manual (Page 159)

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Settings
Power saver
Drag at the top of the screen to the right to turn this feature on. Drag it
to the left to turn it off.
Turn Power saver on - Select the level you want to turn on the Power
saver.
Power saver Tips - Touch to access some tips for Power saver.
POWER SAVING ITEMS
Select to turn off features when battery is low.
Auto-sync - Turn off Auto-sync.
Wi-Fi - Turn off Wi-Fi if data is not in use.
Bluetooth - Turn off Bluetooth if not connected.
Vibrate on touch - Turn off touch feedback.
Brightness - Adjust the brightness.
Screen timeout - Adjust the screen timeout of screen.
Front key light - Adjust the Front key light timeout.
BATTERY INFORMATION
Battery percentage - Display battery percentage on the Status Bar.
Battery use - View which components and application use the most
battery.
Apps
You use the Applications settings menu to view details about the
applications installed on your phone, manage their data, force them to stop,
and to set whether you want to permit installation of applications that you
obtain from websites and email. Tap the Downloaded, Running or All tabs
to view information about your installed apps.