7. Appendix
115
p
Image Problems
Problem: No image appears on the screen
1.
Verify the settings on your notebook or desktop PC.
2.
Turn off all equipment and power up again in the correct order.
Problem: The image is blurred
1.
Adjust the
Focus
on the projector.
2.
Press the
Auto
Adjust
button on the remote control or projector.
3.
Ensure the projector-to-screen distance is within the specified range.
4.
Check that the projector lens is clean.
5.
Remove the lens cover.
Problem: The image is blurred and distorted on NP4001
Check the WXGA Mode is set to Off. (see page
When "WXGA Mode" is set to On, an XGA (1024 x 768) signal may not be recog-
nized on NP4001. In this case, select Off.
To check if the signal is recognized, go to "Source" under "Information" menu.
(see page
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 or upside down
Check the
Orientation
setting on the
Setup
menu of the OSD.
Problem: The image is streaked
1.
Set the
Clock
and
Phase
settings on the
Adjust
menu of the OSD to the de-
fault settings.
2.
To ensure the problem is not caused by a connected PC’s video card, con-
nect to another computer.
Problem: The image is flat with no contrast
1.
Adjust the
Contrast
setting on the
Adjust
menu of the OSD.
2.
Adjust the Brightness setting on the
Adjust
menu of the OSD.
Problem: The color of the projected image does not match the source
image.
Adjust the Color
Temperature
and
Gamma Correction
settings on the
Detail
Settings
menu of the OSD.
