Change the display brightness and screen time out.
INSTRUCTIONS & INFO
ADJUST BRIGHTNESS: From the home screen, press the App tray button. Press the down directional button to highlight the Settings app, then press the Select button.
Press the down directional button to scroll to Display, then press the Select button. Press the Select button to select Brightness level.
Press the left or right directionalbuttons to adjust screen brightness.
ADJUST SCREEN TIMEOUT: From the Display screen, press the down directional button to scroll to Sleep then press the Select button. Press the down directional button to scroll to the desired option, then press the Select button.