Dell S300W manual Using Your Projector

18	Mute	Press to mute or un-mute the projector speaker.
19	Zoom +	Press to increase the image.
20	Zoom -	Press to decrease the image.
21	Volume up	Press to increase the volume.
22	Volume down	Press to decrease the volume.
23	Freeze	Press to pause the screen image, then press
		"Freeze" again to unfreeze image.
24	VGA	Press to choose VGA source.
25	Source	Press to switch between Analog RGB, Composite,
		Component (YPbPr, via VGA), HDMI, and
		S-video source.
26	Auto adjust	Press to synchronize the projector with the input
		source. Auto adjust does not operate if the OSD
		is displayed.

Using Your Projector

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