Acer XD1280 Problem Image is out of focus, Appendices, Problem Image is unstable or flickering

Appendices

4.Follow the above steps 1-2. Click on the “Advanced Properties” button.

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

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 moni- tor freezes, restart all the equipment and the projector.

Problem: The screen of the Notebook or PowerBook com- puter 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 23.

Change the monitor color setting from your computer.

Problem: Image has vertical flickering bar

Use “Frequency” to make an ad adjustment. Refer to page 23.

Check and reconfigure the display mode of your graphic card to make it compatible with the product. Refer to page 25.

Problem: Image is out of focus

Adjusts the Focus Ring on the projector lens. Refer to page 14.

Make sure the projection screen is between the required distance

4.9to 39.4 feet (1.5 to12.0 meters) from the projector.

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