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].
Press [Brightness].
Adjust the screen brightness by dragging the slider.
To reduce the brightness of the screen when no operation has been performed for one minute, select “Auto Dim Screen if it is Not Under For a While.”.
Press [OK].
Press [Home] () at the bottom of the screen in the center.