Dell S300 manual Your eyes

5	Laser	Point the remote control at the screen, press and
		hold the laser button to activate the laser light.
		CAUTION: Do not look at the laser point when
		it is active. Avoid directing the laser light on
		your eyes.
6	Aspect Ratio	Press to change aspect ratio of a displayed image.
7	Keystone adjustment	Press to adjust image distortion caused by tilting the
		projector (+40/-35 degrees).
8	Page up	Press to move to previous page.
		NOTE: The USB cable must be connected if
		you want to use the Page Up feature.
9	Page down	Press to move to next page.
		NOTE: The USB cable must be connected if
		you want to use the Page Down feature.
10	Keystone adjustment	Press to adjust image distortion caused by tilting the
		projector (+40/-35 degrees).
11	S-Video	Press to choose S-Video source.
12	Video	Press to choose Composite Video source.
13	Video mode	The projector has preset configurations that are
		optimized for displaying data (presentation slides)
		or video (movies, games, etc.).
		Press the Video Mode button to toggle between
		Presentation mode, Bright mode, Movie mode,
		sRGB, or Custom mode.
		Pressing the Video Mode button once will show the
		current display mode. Pressing the Video Mode
		button again will switch between modes.
14	Blank screen	Press to hide/unhide the image.
15	Up	Press to navigate through the On-Screen Display
		(OSD) Menu items.
16	Left	Press to navigate through the On-Screen Display
		(OSD) Menu items.
17	Menu	Press to activate the OSD.

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Using Your Projector