Optoma Technology EP550 specifications Problem Image is unstable or flickering

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6.Under “Manufacturers”, select “Standard monitor types”

7.Verify that the resolution setting of the monitor display is less than or equal to 800x600.

4If you are using a Notebook PC:

1.You are required to implement above steps of resolution setting of computer first.

2.Switch the Notebook PC display to the “external display only” or “CRT only” mode.

4If you are using an Apple Macintosh:

Resolution of your computer is higher than that of the projection display. You may need to change the Mac adapter of 800 x 600 resolution.

4If you are using an Apple PowerBook:

Resolution of your PowerBook is higher than that of the projection display. You may need to change the Mac adapter of 800 x 600 resolution.

4If you are experiencing difficulty in changing resolutions or your monitor freezes, restart all the equipment and the projection display.

Problem: The screen of the Notebook or PowerBook computer is not displaying your presentation.

4If you are using Notebook PC:

Some Notebook PCs may deactivate their own computers’ screens when asecond display device is in use. Each of them has different way to be reactivated.

Refer to your computer’s documentation for detailed information.

4If you are using an Apple PowerBook:

In Control Panels, open the PowerBook Display to select Video Mirroring “On”.

Problem: Image is unstable or flickering

4Use “Tracking” to correct it.

4Change the monitor color setting from your computer.

Problem: Image has vertical flickering bar.

4Use “Frequency” to make an adjustment.

4Check and reconfigure the display mode of your graphic card to make it compatible with the product.

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Contents Table of Contents Precautions Usage NoticeIntroduction About the ProductPackage Overview Product Overview InstallationMain Unit Remote Control Start Your Installation Connecting the projection displaySetting up the projection display Positioning the projection displayUser Control Overview User ControlsPanel 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