Optoma h 56 User Manual

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4. Follow 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 “Manufactures” 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 1024 x 768.

4

If you are using a Notebook PC:
1. You are required to implement above steps of resolution setting

of computer first.

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

or “CRT only” mode.

4

If you are experiencing difficulty in changing resolutions or your

monitor freezes, restart all the equipment and the projector.

Problem : The screen of the Notebook or PowerBook com-

puter is not displaying your presentation.

4

If you are using Notebook PC:
Some Notebook PCs may deactivate their own computers’ screen

when a second display device is in use. Each of them has a

different way to be reactivated.  Refer to your computer’s

documentation for detailed information.

4

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

4

Use “Phase” to correct it.

4

Change the monitor color setting from your computer.

Problem : Image has vertical flickering bar

4

Use “Frequency” to make an adjustment.

4

Check and reconfigure the display mode of your graphic card to

make it compatible with the product.