Optoma Technology Digital Tuner Output Projector Problem Image is unstable or flickering

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Appendices

6.Click on “Show all devices”. Then select “Standard monitor types” under the “Manufacturers” box ; choose the resolution mode you need under the “Models” box.

7.Verify that the resolution setting of the monitor display is less than or equal to 800 x 600.

If you are using a Notebook PC:

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

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

If you experience difficulty in changing resolutions or your monitor freezes, restart all the equipment and the projector.

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

If you are using a Notebook PC:

Some Notebook PCs may deactivate their screens when a second display device is in use. Refer to your computer’s documentation for information on how to reactivate the monitor display.

If you are using an Apple PowerBook:

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

Problem: Image is unstable or flickering

Use “Tracking” to correct it. Refer to page 19.

Change the monitor color setting from your computer.

Problem: Image has vertical flickering bar

Use “Frequency” to make an adjustment. Refer to page 19. Check and reconfigure the display mode of your graphic card to make it compatible with the product. Refer to page 26.

Problem: Image is out of focus

Adjusts the Focus Ring on the projector lens. Refer to page 13. Make sure the projection screen is between the required distance 4.6 to 39.4 feet (1.4 to 12.0 meters) from the projector.

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Contents Table of Contents Usage Notice PrecautionsDon’t Introduction Product FeaturesPackage Overview Main Unit Product OverviewConnection Ports Control PanelRemote Control Connecting the Projector InstallationPowering On the Projector Powering On/Off the ProjectorPowering Off the Projector Adjusting the Projector Image Height Adjusting the Projected ImageAdjusting Projection Image Size Adjusting the Projector Zoom / FocusUser Controls Control Panel & Remote ControlUp Computer mode only Using the Remote Control Power/StandbyVolume + ResetOn Screen Display Menus How to operateLanguage LanguageImage-I Image-II Computer Mode Reset Sharpness Image-II Video ModeSaturation TintUser Controls Bass VolumeAudio TrebleManagement ECO Mode Display ModeLamp Reminding Appendices TroubleshootingProblem No image appears on screen Problem Partial, scrolling or incorrectly displayed imageProblem Image is unstable or flickering Problem Image has vertical flickering barProblem Image is out of focus Problem LED lighting message Problem The image is outstretched when displaying 169 DVDProblem Image is reversed Problem Lamp burns out or makes a popping soundReplacing the lamp Lamp Changing ProcedureNTSC/NTSC 4.43/PAL/PAL-M/PAL-N/SECAM SpecificationsAnalog Compatibility Modes