Optoma Technology TW762GOV manual Appendices, Troubleshooting

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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.

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, Windows 7:

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 WarningsPackage Overview IntroductionMain Unit Product OverviewControl Panel Input/Output Connections Remote Control Connect to Computer/Notebook Connecting the ProjectorConnect to Video Sources Powering On the Projector Powering the projector On / OffPowering off the projector Adjusting the Projector’s Height Adjusting the Projected ImageAdjusting Projection Image Size Adjusting the Projector’s FocusWxga User Controls Control Panel & Remote ControlUsing the Remote Control VGA Using the Help button User Controls User Controls On-screen Display Menus How to operateImage Menu TreeOptions Brightness Display ModeContrast Color SharpnessTint Gamma Color SettingsBrilliantColor Color TempInput Source Color SpaceFormat DisplayZoom Edge MaskImage Shift Keystone3D Sync. Invert Display 3DScreen Type LanguageProjection Menu Location VolumeProjector ID MuteRS232 WirelessAutomatic PhaseFrequency PositionChange Password Security TimerSecurity User Controls Logo Capture LogoIP Address Network StateSubnet Mask GatewayHow to use web browser to control your projector Click Change settings of this connection Crestron RoomView Control Tool For more information, please visit Source Lock ResetHigh Altitude Information HideAuto Power Off min Direct Power OnSleep Timer min Power Mode StandbyLamp Reset Brightness ModeLamp Hours Lamp ReminderAppendices TroubleshootingImage is unstable or flickering Image is reversed Projector stops responding to all controls On Screen Messages Replacing the lamp Lamp Replacement Procedure  Computer Compatibility Compatibility Modes Video Compatibility Mode Resolution Sync Hz Sync KHzRS232 Pin Assignments RS232 Commands and Protocol Function ListSend to projector RS232 Protocol Function ListLBX Send to emulate Remote Send from projector automatically Ceiling Mount Installation USA Optoma Global OfficesDeutschland FCC notice Regulation & Safety NoticesRemarque à l’intention des utilisateurs canadiens