Change the display time out, brightness and orientation.
INSTRUCTIONS & INFO
CHANGE DISPLAY SETTINGS: Swipe down from the Notification bar, then select the Rotation icon to lock/unlock the screen orientation.
ADJUST SCREEN BRIGHTNESS: Swipe down with two fingers to the Quick settings menu, then move the Brightness slider to your desired brightness.
CHANGE SCREEN TIMEOUT: Swipe down from the Notification bar, then select the Settings icon. Select Display, then select Screen timeout. Select the desired option.