As he turned to Rissa and began to speak, the screen dimmed and then lit again.

When the screen dimmed, she turned to Ivan.

The screen dimmed, and a minute or two later brightened again.

The screens and equipment dimmed and shut down behind her as she walked to the door.

The new science officer did as he was told and quickly the screen dimmed as the stellar filters kicked in from the sun's light.

If turned to ON, the screen dims for a certain time of inactivity.

It's probably different for different computers - the keyboard lights come on and the screen dims.

If you place a hand over both speaker grills, not just one, keyboard lights come on, and the screen dims.

Kirk covered his eyes until the screen dimmed automatically to compensate for the sudden brightness.

The screen dimmed, blocking most of the most painful glare.