34
Troubleshooting
Troubleshooting
Symptom
Probable Cause and Corrective Action
Page
See if the signal is being received.
See if the cable for projection is properly connected.
See if the power saving function is enabled in case
of the computer input.
See if the frequency and resolution of the computer
are within the range of the one in the standard
signal mode table of the projector.
Adjust focus with the ring of the lens.
(The minimum distance to adjust focus is 1 meter.)
Set the projector at the correct distance.
(Recommended distance is 1 ~ 8.3 m)
(See the projection distance for each screen size.)
Adjust brightness.
See if the lens is clean. If not, clean it.
Press the i-Brightness button on the remote
controller or top surface of the projector.
(It compensates both brightness and contrast of the
video from the computer input.)
Adjust brightness and contrast.
Replace the lamp.
(The recommended lamp life is 3,000 hours.
Replace it earlier if the video looks darker.)
12,13
37
16
11
27
38
9,10
26
40
Video image does not appear.
Video image is fuzzy.
Video by computer input signal is
abnormally dark.
Video image is abnormally dark.