Vivitek D927TW Specifications download pdf (Page 52)

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3. Ensure the projector-to-screen distance is within the 10-meter (33-feet) specified range.

4. Check that the projector lens is clean.

Problem: The image is wider at the top or bottom (trapezoid effect)

1. Position the projector so it is as perpendicular to the screen as possible.

2. Use the Keystone button on the remote control or projector to correct the problem.

Problem: The image is reversed

Check the Projection setting on the Installation I menu of the OSD.

Problem: The image is streaked

1. Set the Frequency and Tracking settings on the Computer menu of the OSD to the de-

fault settings.

2. To ensure the problem is not caused by a connected PC’s video card, connect to another

computer.

Problem: The image is flat with no contrast

Adjust the Contrast setting on the Image menu of the OSD.

Problem: The color of the projected image does not match the source image.

Adjust the Color Temperature and Gamma settings on the Image menu of the OSD.

Lamp Problems

Problem: There is no light from the projector

1. Check that the power cable is securely connected.

2. Ensure the power source is good by testing with another electrical device.

3. Restart the projector in the correct order and check that the Power LED is green.

4. If you have replaced the lamp recently, try resetting the lamp connections.

5. Replace the lamp module.

6. Put the old lamp back in the projector and have the projector serviced.

Problem: The lamp goes off

1. Power surges can cause the lamp to turn off. Re-plug power cord. When the READY LED

is on, press the power button.

2. Replace the lamp module.

3. Put the old lamp back in the projector and have the projector serviced.

Remote Control Problems

Problem: The projector does not respond to the remote control

1. Direct the remote control towards remote sensor on the projector.

2. Ensure the path between remote and sensor is not obstructed.

3. Turn off any fluorescent lights in the room.

4. Check the battery polarity.

5. Replace the batteries.

6. Turn off other Infrared-enabled devices in the vicinity.

7. Have the remote control serviced.

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Vivitek D927TW Specifications Page 52