Optional Lens USER'S MANUAL
Important Safety Instructions
Please read this section on important safety instructions before replacing
the projector lens.
To prevent accidents during lens replacement and ensure product safety after
replacing the lens, be sure to follow the safety instructions described herein.
● These symbols indicate actions that can result in injury or damage if
these operations are not followed correctly.
This symbol indicates that there is a possibility of serious
injury or even death if the operation is not followed correctly.
This symbol indicates that there is a possibility of physical injury
or damage to equipment if the operation is not followed correctly.
● These symbols indicate the types of precautions that must followed.
This symbol indicates that
caution must be taken.
This symbol warns of possible
Information for users applicable in European Union countries
This symbol on the product or on its packaging means that your
electrical and electronic equipment should be disposed at the end
of life separately from your household wastes. There are separate
collection systems for recycling in EU. For more information,
please contact the local authority or the dealer where you
purchased the product.
For safety, do work in accordance with the
Exchange Manual to install this product.
Please read this manual and manuals for the
LCD projector to be used thoroughly to ensure
correct usage through understanding.
Incorrect usage could result in fire, an injury or
Do not give any shock or impact.
Any shock or impact could result in an injury or
damage. The lens part is projected. Take care not
to strike it.
Take care of the lens.
When transporting the LCD projector, be sure to remove the lens.
Otherwise it could result in damage.
When transporting the lens, protect the lens by attaching the lens cap.
Do not touch the lens to prevent fog or dirt of the lens that cause
deterioration of display quality.
Do not touch the lens directly with your hands or ﬁ ngers.
This can dirty the lens and cause deterioration in image quality.
The lens is a precision optical device. Carefully handle the lens
without subjecting it to shocks or vibrations.
When resting the lens on a surface, place the lens face down on a soft
Use commercially available lens tissue to clean the lens (used to clean
cameras, eyeglasses, etc.).
Excepting for lens, use a soft cloth to clean. When excessively soiled
dilute a neutral detergent in water, wet and wring out the soft cloth.
Do not use detergents or chemicals other than those noted above (e.g.
benzene or thinners).
Project an image as described in the LCD Projector user's manual, and
adjust the size and focus of the projected image.
See the Projection Distance table in this user's manual for information
on optional lens projection distances.
(Always follow these instructions.)
This symbol warns of possible
This symbol indicates an action that
must not be performed.
The distance of projection may not allow focusing on the peripheral
area of the screen. Adjust the focus to keep the center and the
peripheral area of the screen balanced.
This speciﬁ cations are subject to change without notice.
The zoom lens may cause some distortion of the image on the screen
depending on the zoom position.
Distortion may appear on screen if the keystone correction (trapezoidal
distortion correction) is overly adjusted.
Keystone correction (trapezoidal distortion correction) may be limited
with some lenses.
To maintain a certain level of image quality, depending on the lens
model, the adjustable range of the focus and zoom is limited. As a
result, the area around the upper or lower limit of the dialog in the
projected image is not displayed in maximum zoom, but this is not a
Important Operation Instructions
■ Before replacing the projector lens, be sure to read
this manual and the operation manual of the LCD
projector for use with this lens.
To ensure safe operations and the continued safety of this
product, be sure to follow all of the safety instructions written in
this manual and the operation manual of the LCD projector.
■ Do not place the lens in a location subject to direct
sunlight or other strong lighting or near heat-radiating
This can cause a ﬁ re due to the properties of the lens. It can
also cause injury or damage to the lens.
■ Do not subject the lens to shocks.
This can cause injury or damage to the lens.
■ Be sure to unplug the LCD projector before replacing
The inside of the LCD projector has areas of high voltage which
can cause electrical shock.
■ Do not touch the fan of the LCD projector during
This can cause injury.
■ Before replacing the lens, be sure to turn off and
unplug the LCD projector, and allow at least 45
minutes for the projector to fully cool.
Before replacing the lens, be sure to turn off and unplug the LCD
projector, and allow at least 45 minutes for the projector to fully
■ When attaching, take care so that dust not enter
Continued use with dust inside may result in ﬁ re or electric
■ Do not replace the lens while the projector is
suspended from the ceiling.
This can cause injury.
■ When replacing the lens, do not touch the LCD panels or
polariz-ing plates of the LCD projector or subject them to
This can cause damage to the equipment. It can also cause
a misalignment of the optical adjustment and, therefore,
■ When replacing the lens, be careful not to damage the
connectors or wires inside the LCD projector.
This can cause damage to the equipment. Be careful not to pull
on the connectors or wires or get them caught in the circuit board
Replacing the Lens
The lens should be replaced by authorized service personnel.
Refer to the Replacement Manual for the replacement.