Video and data projection
A
word about dust filters in LCD projectors
 Be sure to regularly remove your filters
and either clean or replace them according the manufacturer's
instructions. You'll be amazed at how fast they become clogged
up. A dirty filter will cause your projector to overheat and shut
down and shortens lamp life. Even worse, the dust that collects
on your filter will eventually make its way into your projector
and depost itself on the red, green and blue LCD panels. Once
this happens you will have colored spots in your image and your
projector will need a professional cleaning.
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