Christie CP2000-M User Manual download pdf (Page 41)

2-24 CP2000-SB User Manual

020-100162-04 Rev. 1 (05-2009)

Section 2: Installation & Setup

2.8 Offset and Boresight Alignment

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.

Warning! 1) If the Motorized Auxiliary Lens Mount (MALM)

is present, ensure to move the MALM to the OUT position

before performing any lens calibrate or reset functions on the

Motorized Primary Lens Mount to prevent collision between the

projection lens and the MALM. 2) Hazardous moving parts.

Keep fingers and other body parts away. NOTES: 1) Projector

must be fully assembled and powered up in its final location. 2)

Keep clear of rotating parts. Remotely operated motors may

start to spin without warning. 3) Avoid long hair, jewelry, and

loose clothing exposure to the knobs during manual adjustment.

4) In case of emergency, unplug the line cord to immediately halt movement of the lens mount.

2.8.1 Adjust Offset

Project an image with the primary lens only. Always

adjust offset before boresight. Important! Ensure the

correct lens is selected in the Advanced: Lens menu

before calibration to ensure you will remain within the

applicable boundary of the installed lens. NOTE: When

adjusting the Focus, Offset, and Zoom, you may

experience a slight delay in the response rate of the lens

upon selecting the buttons.

1. Ensure Auto ILS is selected from the Main: Lens

menu. NOTE: Enabling Auto ILS will over-write

the pre-defined settings for this channel. To perform

a temporary lens adjustment, uncheck Auto ILS and

adjust the lens by clicking the necessary buttons or

manually adjusting the focus, offset, and/or zoom

knobs. All temporary adjustments will be lost when Auto ILS is selected again or if the channel changes.

2. Using an framing test pattern (Framing.tga is recommended), adjust the Offset by clicking the up/down/

left/right buttons on the Main: Lens menu (Figure 2-37) as necessary to display a square image on the

screen. NOTES: 1) You can also hold the buttons down for continuous movement. 2) For best optical

performance, make sure to minimize keystone error by using offset more than aiming to center the image in

off axis installations. 3) For best results, avoid extreme tilts or offsets. Corner vignettes on a white test

pattern indicates extreme offset that should be avoided using mechanical alignment.

Figure 2-36 Anatomy of the Lens Mount

Motorized

Vertical

Offset

Vertical

Offset

Knob

Horizontal

Offset

Knob

Motorized

Horizontal

Offset

Vertical

Boresight

Bolt

Horizontal

Boresight

Bolt

Anchor

Bolt

Lock/

Unlock

Lens

Focus

Figure 2-37 Intelligent Lens System

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Christie CP2000-M User Manual Page 41

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