JVC DLA-SH7NL - Manual (Page 11)

11
Burning-in of D-ILA Device
oDo not allow the same still picture to be
projected for a long time or an abnormally
bright video image to be projected
Do not project still images with a high brightness or
high contrast on the screen for a long time. This video
image could be burnt into the D-ILA device.
Pay special attention when projecting video games and
computer program images.
Motion images such as normal video playback images
do not pose the burning-in problem.
Viewing Conditions (Brightness
of Room)
oBrightness of the room
Avoid direct exposure of screen to direct sunlight and
lights such as by using a curtain. Images can be well
projected by darkening the brightness of the room.
oDo not view screen for prolonged hours
Looking at the screen continually for a prolonged time
is tiring to the eyes. Allow your eyes to rest at intervals.
oDo not use this unit when image flickers
Image may flicker due to installation conditions and
environment. This may cause your eyesight to
deteriorate.
Environment of Use
oDo not use this projector in rooms with
cigarette smoke or oily smoke
Do not use this projector in rooms with cigarette smoke
or oily smoke. This may cause the unit to malfunction.
oWhen mounting this projector to the ceiling
Check the temperature around the projector unit.
When a heater is in use, the ceiling may reach a
temperature higher than anticipated, hence leading to
malfunction of the unit.
Maintenance Procedures
oClean dirt on the cabinet
Do this with a soft cloth. In case of heavy soiling, soak
a cloth in neutral detergent diluted with water, wring dry
and wipe, followed by wiping again using a dry cloth.
oPay attention to the following to prevent the
cabinet from deteriorating in condition,
getting damaged, or the paint from coming
off.
● Do not wipe with a stiff cloth
● Do not wipe with force
● Do not wipe with thinner or benzene
● Do not spray volatile chemicals like insecticide
● Do not allow prolonged contact with rubber or plastic
products
oClean dirt on the lens
Do this using commercial blowers or lens cleaning
papers (for cleaning glasses and cameras).
Do not use fluid-type cleaning agents. This may lead to
peeling of the surface coating film.
Lens surface is fragile. Avoid rubbing it hard or
knocking it.
Precautions During Use
Gauging replacement time of components
This product comes with replacement components required for maintaining the functions of this product, such as
optical components, cooling fan and filters. The timing for replacing components varies considerably according
to the frequency and environment of use. For details on replacement of components (except filters), please
consult your authorized dealer.