Select > System > Display.

Backlight Timeout

Adjusts the length of time before the backlight turns off (Using the Backlight).

Color Mode

Sets the device to display day or night colors. You can select Auto to allow the device to automatically set day or night colors based on the time of day.

Screen Capture

Allows you to save the image on the device screen.

Calibrate Screen

Aligns the screen to properly respond to touches (Calibrating the Touchscreen).