Optoma Technology HD66 manual Image Problems, No image appears on-screen

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Appendices

Troubleshooting

If you experience a problem with your projector, please refer to the following information. If a problem persists, please contact your local reseller or service center.

Image Problems

No image appears on-screen

Ensure all the cables and power connections are correctly and securely connected as described in the “Installation” section.

Ensure all the pins of connectors are not bent or broken.

Check if the projection lamp has been securely installed. Please refer to the “Replacing the lamp” section.

Make sure you have removed the lens cap and the projector is switched on.

Ensure that the “AV mute” feature is not turned on.

Partial, scrolling or incorrectly displayed image

Press “RE-SYNC” on the remote.

If you are using a PC:

For Windows 95, 98, 2000, XP:

1.Open the “My Computer” icon, the “Control Panel” folder, and then double click on the “Display” icon.

2.Select the “Settings” tab.

3.Verify that your display resolution setting is lower than or equal to UXGA (1600 × 1200).

4.Click on the “Advanced Properties” button.

If the projector is still not projecting the whole image, you will also need to change the monitor display you are using. Refer to the following steps.

5.Verify the resolution setting is lower than or equal to UXGA

(1600 × 1200).

6.Select the “Change” button under the “Monitor” tab.

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Contents Table of Contents Usage Notice Safety InformationPrecautions Do not Product Features Eye Safety WarningsDocumentation Package OverviewMain Unit Product OverviewControl Panel Input / Output Connections Remote Control Connecting the Projector InstallationConnect to Video Sources Powering the projector On/Off Powering On the ProjectorPower/Standby  Lens Cap Powering off the projector Adjusting the Projector’s Height Adjusting the Projected ImageAdjusting Projection Image Size Adjusting the Projector’s Zoom / FocusFour Directional Select Keys Keystone User ControlsRemote Control VGA Freeze AV mute VideoOn-screen Display Menus How to operateMenu Tree Brightness Display ModeTint ContrastSharpness SaturationColor Temp Image AdvancedDegamma BrilliantColorColor Advanced Color SettingsReset Advanced Input SourceFormat DisplayInput Signal Display on Screen Keystone OverscanZoom Image ShiftLanguage Setup LanguageProjection SetupMute VolumeMenu Location Projector IDPosition Setup SignalPhase FrequencySetup Security Security TimerSecurity Change Password Setup Advanced LogoLogo Capture Keypad Lock Source LockHigh Altitude Information HidePower Mode Standby Direct Power OnAuto Power Off min Sleep Timer minLamp Hours Lamp SettingsBrightness Mode Lamp ResetImage Problems No image appears on-screenPartial, scrolling or incorrectly displayed image Image has vertical flickering bar Image is unstable or flickeringImage has slanted sides Image is stretched when displaying 169 DVD titleImage is out of focus Image is too small or too largeLamp burns out or makes a popping sound Other ProblemsProjector Status Indication Projector stops responding to all controlsRemote Control Problems If the remote control does not workOn Screen Messages Replacing the lamp Lamp Replacement Procedure  Computer Compatibility Compatibility Modes Video Compatibility RS232 Commands RS232 Protocol Function List RS232 CommandsSend to emulate Remote Ceiling Mount Installation USA Optoma Global OfficesKorea Regulation & Safety notices Remarque à l’intention des utilisateurs canadiens