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EN-9
Operating Precautions
● Keystone Correction and Image Quality
Performing keystone correction causes the image to be compressed before it is projected. This can
result distortion of the image or a loss of image quality. If this happens, change orientation of the
projector and/or screen so it conforms as much as possible to the illustration under “Setting Up the
Projector” in the User’s Guide.
If image quality is the highest priority, turn off auto keystone correction and position the projector so it is
pointed straight at the screen.
z Even if your projector is still within the warranty period, you will be charged for repair if a problem is
due to running the projector non-stop for very long periods (like 24 hours) or if the projector was set up
and used without following the “Setup Precautions” in the User’s Guide.
z Use under high ambient temperature or in environments subjected to large amounts of dust, oil
smoke, tobacco smoke, or other types of smoke can shorten the replacement cycles and require more
frequent replacement of the optical engine and other components. Note that you are charged for such
replacement. For details about replacement cycles and fees, contact an authorized CASIO service
center.
The projector’s exhaust vents and the area around the vents
become very hot during operation, and will still be hot immediately
after turning off the projector. Because of this, you should hold the
sides of the projector as shown in the illustration whenever
moving it.
Make sure the projector is no longer warm before stowing it in the carrying bag.
z Periodically clean the projector exterior, lens, intake vents and exhaust vents on a regular basis.
z When cleaning the lens, do not apply undue force and take care to avoid damaging it.
z Dust and dirt tend to collect around the intake vents. Because of this, you should use a vacuum
cleaner to clean away accumulated dust and dirt periodically.
z Continued use of the projector after dust has accumulated around the intake vents can cause
overheating of internal components and lead to malfunction.
z Certain operating conditions also can cause dirt and dust to accumulate around the projector’s
exhaust vents. If this happens, use the same procedure as that described above to clean the exhaust
vents.
Precaution when Handling the Projector after Use
Stowing the Projector in the Carrying Bag
Cleaning the Projector