Листовка для Infocus QR68561

QR68561

This manual describes the procedure for replacing the following lenses.

Fixed short throw lens

LENS-037

Short throw lens

LENS-038

Standard projection lens

Standard Lens

Long throw lens

LENS-039

Ultra long throw lens

LENS-040

The following accessories are included with each lens.

Fixed short throw 
lens

LENS-037

Fixed short focal length projection lens, louver, lens cap, strap×2, 
lens replacement manual and option lens user's manual

Short throw lens

LENS-038

Short focal length projection lens, louver, lens cap, strap×2, 
lens replacement manual and  option lens user's manual

Standard 
projection lens

Standard 

Lens

Standard projection lens, 
lens replacement manual and option lens user's manual

Long throw lens

LENS-039

Long focal length projection lens, zoom window, lens cap, 
strap, lens replacement manual and option lens user's manual

Ultra long throw 
lens

LENS-040

Ultra long focal length projection lens, zoom window, lens cap, 
strap, lens replacement manual and  option lens user's manual

 

 (Always follow these 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 
high heat.

This symbol warns of possible 
electrical shock.

This symbol indicates an action that 
must not be performed.

 

■  Before replacing the projector lens, be sure to read this 

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 

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 operation.

This can cause injury.

 

■  Before replacing the lens, be sure to turn off and 

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.

 

■  When removing the louver, fi rst shut off the projector 

Removing while the cooling plate is still hot may result in burns.

 

■  When attaching, take care so that dust not enter inside.

Continued use with dust inside may result in fi re or electric shock.

 

■  When replacing the lens, do not touch the LCD panels or polariz-

This can cause damage to the equipment. It can also cause a 

misalignment of the optical adjustment and, therefore, require 

readjustments.

 

■  When replacing the lens, be careful not to damage the 

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 

or case.

 

■  After replacing the lens, part of the lens and louver 

Transporting the LCD projector in the original projector 

shipping box can cause damage to the equipment.

■  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 

■  When resting the lens on a surface, place the lens face 

(1)  Remove the 2 screws marked 

U (triangle) from the inside of 

the lens knob cover.

Lens knob cover

(2)  Remove the 2 screws marked 

U (triangle) from the front of 

the projector.

(3) Turn the lens shift dial, and raise the projection lens to the 

highest position.

(4) Remove the front cover while holding the zoom window up as 
shown in the illustration.

Front cover

Lens lock lever

(1)  Line up the notched tab on the lens mount with the hole 

on the upper-left part of the holder, and insert the lens.

Hole on upper-left of holder

Notched tab on lens mount
※ The other two tabs are not notched.

(2)  Turn the lens to the right until it "clicks" into place to ensure 

that the lens is locked in place.

(1) Reattach the front cover.
*Replace with the enclosed 
zoom window for models 
LENS-039 and LENS-040.

Front cover

(2)  Re-fasten the 2 screws marked 

U (triangle) that were 

removed in step 1. (2).

(3)  Re-fasten the 2 screws marked 

U (triangle) that were 

removed in step 1. (1).

Lens knob cover

※  This attachment prevents screen "fl icker" created by projector heat 

exhaust when using a lens with a shorter focus than Standard Lens, and 
must be used with such lenses.

(1)  Attach the 4 hooks on the bottom of the louver to the slots on the 

projector. When attaching, attach the bottom-right hook on the 
louver to the bottom-right slot closest to the lens on the projector.

(2)  Raise the top of the louver towards the top of the projector 

and attach the 4 hooks on the top of the louver to the slots 
on the projector.

※  Use the lens cap attached to the LCD projector for model Standard Lens.

※   Attach the lens cap by passing the strap through the loop on the lens cap 

and the included rivet. If unnecessary, remove the currently attached lens 
cap for Standard Lens.

Hook on bottom 
right of louver

※  If the projector is installed in a high 

location, use the strap to attach the 
louver to the adjustment foot's axle to 
prevent it from falling.

Rivet

Slot

※ Caution when removing lens
Be sure not to touch the prism 
behind the lens.

Finger

Zoom window

Zoom window