Optoma Technology EP550 specifications Presentation Functions computer source

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4Ceiling Projection

4Exit

English

Choose this funtion from OSD menu for a ceiling mounted projection.

Choose “Exit” item to leave OSD menu.

wPresentation Functions - computer source

4Pointer	Press the “Pointer” button to show a hand shape pointer.
	Use5,6,3or4button to move pointer around the
	projected image.
4Freeze	Press the “Freeze” button to still the screen image.
4Curtain	Press “Curtain” button to cover all the screen, then use
	5or6to pull up or down the curtain.

4Zoom In/Zoom Out Press “Zoom In” button to enlarge the projected image, “Zoom Out” to resume the image.

4Contrast	Choose this function from OSD menu to adjust contrast
	of the image.

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Contents Table of Contents Precautions Usage NoticeIntroduction About the ProductPackage Overview Installation Product OverviewMain Unit Remote Control Start Your Installation Connecting the projection displaySetting up the projection display Positioning the projection displayUser Controls User Control OverviewPanel control OSD Menus LanguageFunction Descriptions Basic FunctionsPresentation Functions computer source Tracking Frequency Custom Memory Auto ImagePresentation Functions -- video source 4Color/TintTint from OSD menus 4Freeze Press the Freeze button to still the screen imageTroubleshooting Problem No image appears on screenProblem Partial, scrolling or incorrectly displayed image AppendicesProblem Image is unstable or flickering Problem Image has vertical flickering barConnecting a Macintosh Desktop Computer Connecting an Apple PowerBook ComputerFor 640 x 480 Resolution For 800 x 600 ResolutionMaintenance Changing the lampChanging the fuse Specifications VesaxgaMode Resolution Frequency KHz Compatibility Modes