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42 Troubleshooting
Symptom
Bright spots
on projected image
Image contains one or
more vertical bars
Blurred image
Cause
Inactive pixel may appear
as bright spot on screen;
it does not affect picture
quality or life expectancy
of projector; projector may
contain maximum of
50 inactive pixels
WIDTH out of alignment
Image out of focus
Solution
Use the Menu-mode on-screen
controls to adjust WIDTH; after
eliminating vertical bars, use
FOCUS to sharpen image;
when you adjust WIDTH, if left
arrow adjustment causes
number of bars to increase,
use right arrow adjustment to
eliminate bars; if right arrow
adjustment causes number of
bars to increase, use left arrow
adjustment to eliminate bars
Rotate lens to adjust
screen focus
Adjust FOCUS control;
if only portions of image are
out of focus and FOCUS
adjustment causes
out-of-focus portions to move,
refer to solution described in
vertical bars problem;
displaying a cross-hatch
pattern aids in resolving any
focus-adjustment problems
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