A/V Mute button temporarily turns off the picture and sound (see
■
page 60).
The Page Up/Down buttons control PowerPoint slides (requires
■
USB cable. See page 64).
The Volume buttons raise or lower the audio volume.
■
The
(Closed Captioning) button lets you display closed
■
CC
captioning for content that provides it.
Using the Projector on a Network
107