You can adjust the brightness of the screen when operating the control panel by using the following procedure:
Press [Home] () at the bottom of the screen in the center.
Flick the screen to the left, and then press the [User Tools] icon ().
Press [Screen Features].
Press [Display] under [DEVICE].
Press [Brightness].
Drag the slider to adjust the brightness of the screen.
To make the screen brighter, drag the slider to the right.
Press [OK].
Press [Home] () at the bottom of the screen in the center.