Optoma EX400 User Manual download pdf (Page 64)

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Appendices

No image appears on-screen



Ensure all the cables and power connections are correctly and

securely connected as described in the “Installation” section.

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

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Check if the projection lamp has been securely installed. Please

refer to the “Replacing the lamp” section.

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Make sure you have removed the lens cap and the projector is

switched on.

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

Partial, scrolling or incorrectly displayed image

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Press “Re-SYNC” on the remote.

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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.

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.

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Optoma EX400 User Manual Page 64