Dell S300wi manual Presentation mode, Bright mode, Movie mode, SRGB, or Custom mode

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 Mini 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 Mini 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.

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Using Your Projector