JVC DLA-SH4K User Manual
8
Getting Started
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
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.
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.
computer program images.
Motion images such as normal video playback images
do not pose the burning-in problem.
Viewing Conditions (Brightness
of Room)
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.
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.
time is tiring to the eyes. Allow your eyes to rest at
intervals.
oDo not use this unit when image flickers
due to installation conditions and environment. This
may cause your eyesight to deteriorate.
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.
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.
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
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.
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.
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
● 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
using commercial blowers or lens cleaning papers
(for cleaning glasses and cameras).
(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.
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
any nearby JVC servicing center.
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
any nearby JVC servicing center.
DLA-SH4_EN.book Page 8 Tuesday, January 15, 2008 6:07 PM