Dell S300 User Manual page 30

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T H E T R U S T E D S O U R C E F O R P R O J E C T O R L A M P S A N D A C C E S S O R I E S
Press to mute or un-mute the projector speaker.
Mute
Zoom + Press to increase the image.
Zoom - Press to decrease the image.
Press to increase the volume.
Volume up
Press to decrease the volume.
Volume down
Freeze Press to pause the screen image, then press "Freeze"
again to unfreeze image.
VGA Press to choose VGA source.
Source Press to switch between Analog RGB, Composite,
Component (YPbPr, via VGA), HDMI, and
S-video source.
Auto adjust Press to synchronize the projector with the input
source. Auto adjust does not operate if the OSD is
displayed.
Using Your Projector 29