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Correcting The Focus - Christie 38-809050-01 Installation Manual

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4
MOUNT THE LENS
1.
Remove protective caps (front and back) on the optional lens.
2.
Mount the lens on the lens attachment with 4 Screws.
Connect the lens motor lead connector to the socket on the lens attachment. (Motor Driven
3.
Lens only.)
4.
Grasp the Lens Lock Lever and raise it fully upward. Install the Lens into the projector. Push
the Lens Lock Lever downward until lever is locked (clicked position).
When installing the Motor Driven Lens, be sure to mount Lens Motor on left-side.
After installing the lens, make sure the Lens is not loose and properly installed.
SPACER
DRIVER
IN THE LENS
Part No. (003-000470-01)

Correcting the focus

When the lens is attached to the projector and
images are being projected onto the screen, the
peripheral focus may be out of focus in some
localized areas. If this happens, insert the spacer
in between the lens attachment and the lens to
correct the focus.
Inserting the spacers corrects the distance for best
diagonal focus at the screen.
The corrected distance is determined by the thick-
ness of the spacers that are used. As a guide, the
distance is adjusted by approximately 30 mm for
each 0.1-mm thickness of the spacers.
There are three types of spacers provided, and
there are four of each spacer type. Use these
spacers to correct the distance as required.
Screen
D
B
Screen
40-inch projection
A
C
Distance
LENS
ATTACHMENT
B
A
C
D
B
A
C
D
A~D
Insertion position
of the focus correc-
tion spacers.
Refer to following.
Insert spacers in
the location A~D
(above figure) cor-
responding to the
screen location
A~D.
- 3 -
LENS LOCK LEVER
SCREW
Push the Lens Lock
LENS LOCK LEVER
Lever downward
until lever is locked
(clicked).
Spacer "1"
Color; Clear
Thickness; 0.1 mm
Spacer "2"
Color; Black
Thickness; 0.2 mm
Spacer "1"
Color; Cream
Thickness; 0.3 mm
LENS
ATTACHMENT
SOCKET
CONNECTOR
LENS MOTOR
LEAD
Correction distance
30 mm/for 40-inch
projection
Correction distance
55 mm/for 40-inch
projection
Correction distance
80 mm/for 40-inch
projection

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38-809048-0138-809047-0138-809049-0138-809068-01