Christie CP2000-X User Manual download pdf (Page 36)

INSTALLATION & SETUP

2-28 CP2000-X User Manual

020-100031-01 Rev. 1 (03-2009)

3. CENTER THE IMAGE IN

THE LENS: Holding a piece

of paper at the lens surface,

adjust offsets as necessary

until the image is centered

within the lens perimeter. A

full white field works best for

this.

9. RE-CHECK SIDE-TO-SIDE LEVELING: With a good test pattern on screen, double-

check projector leveling (see 2.3, Projector Position and Mounting) so that the

top edge

of the image is parallel to the top edge of the screen. See right.

NOTES: 1) Projector must be fully

assembled and powered up in its final

location. Install the auxiliary lens, if it

will be used at the site. 2) You will

need a 3/16” allen wrench.

To ensure proper offset for your site

and consistently good focus in all areas

of the screen, a primary lens must be

installed and its lens mount precisely

adjusted in relation to internal optics as

described below. If desired, an

auxiliary lens can then be added to

widen images for “scope” cinema

displays. Once adjusted, boresight

should remain stable until the lens is replaced.

Refer to lens mount components illustrated in Figure 2.33. for these adjustments.

Project an image with the primary lens only

. The optional auxiliary lens, if present,

can be mounted but swung aside.

Adjust horizontal and vertical offsets

as necessary (Figure 2.34.) so that the

image is square on screen. Always

adjust offset before boresight.

NOTE: For best performance and

minimum keystoning, particularly in

long throw theatres, make sure to

minimize offsets by “aiming” the

projector lens at the center of the

image. Refer back to Vertical &

Horizontal Position. In short throw theatres with stadium seating, use a combination

of offset and aiming.

Figure 2.32. Level the TOP Edge

2.11 Offset and

Boresight

Alignment

Figure 2.33. Anatomy of the Lens Mount

ust Offset 

Figure 2.34. Offsets

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Christie CP2000-X User Manual Page 36

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