CHAPTER 5: Maintenance and Troubleshooting

Problem: Image is out of focus.

Possible Causes and Solutions:

Overhead is not adjusted correctly. Adjust overhead until image is in focus.

The surface of the Projection Panel or overhead projector may need cleaning.

Problem: Vertical lines or bleeding.

Possible Causes and Solutions:

Adjust tint to minimize vertical lines or bleeding from around projected boxes or borders.

Problem: The projected colors do not match the monitor.

Possible Causes and Solutions:

Adjust the level and/or tint controls. However, just as there are differences in the displays of different monitors, there will always be some differences between the computer screen and the projected image.

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Black Box AC401A, AC400A manual Problem Image is out of focus