Change the display time out, brightness and orientation.
INSTRUCTIONS & INFO
LOCK/UNLOCK SCREEN ROTATION: Swipe down from the Notification bar with two fingers to access the expanded Quick Settings menu, then select the Rotation icon to lock/unlock the screen orientation.
ADJUST SCREEN BRIGHTNESS: Swipe down from the Notification bar then move the Brightness slider to your desired brightness. Select the Auto checkbox to enable or disable Auto-brightness.
CHANGE SCREEN TIMEOUT: Swipe down from the Notification bar with two fingers, then select the Settings icon. From the Display tab in the Settings menu, select Screen timeout then select the desired option.