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Appendix
Cleaning the lens
■ Use a commercially available blower or lens clean-
ing paper (for glasses and camera lenses) for clean-
ing the lens. Do not use any liquid type cleaning
agents, as they may wear off the coating film on the
surface of the lens.
■ As the surface of the lens can easily get damaged,
ensure not to scrape or hit the lens.
Cleaning the exhaust and intake vents
■ Use a vacuum cleaner to clean dust from the ex-
haust vent and the intake vent.
Info
•If you want to clean the air vents of projector,
ensure to press
on the projector or
on the remote control and put the projector into
standby mode. After the cooling fan has
stopped, unplug the power cord from the AC
socket and clean the vents.
Cleaning the projector
■ Ensure to unplug the power cord before cleaning
the projector.
■ The cabinet as well as the operation panel is made
of plastic. Avoid using benzene or thinner, as these
can damage the finish on the cabinet.
■ Do not use volatile agents such as insecticides on
the projector.
Do not attach rubber or plastic items to the projec-
tor for long periods.
The effects of some of the agents in the plastic may
cause damage to the quality or finish of the projector.
■ Wipe off dirt gently with a soft flannel cloth.
■ When the dirt is hard to remove, soak a cloth in a
mild detergent diluted with water, wring the cloth
well and then wipe the projector.
Strong cleaning detergents may discolor, warp or
damage the coating on the projector. Make sure to
test on a small, inconspicuous area on the projec-
tor before use.
Maintenance
Cleaning
Paper
Mild detergent
diluted with water
Wax
Thinner
Mild detergent
DT400_E_P53_60.p65 04.10.18, 1:25 PM53