Christie CP2000-X User Manual download pdf (Page 35)

INSTALLATION AND SETUP

CP2000-X User Manual 2-27

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

Upon powering up the projector with a

newly-installed/replaced lamp, adjust lamp

position to help ensure optimized operation

as well as peak brightness at the screen—

you do not need an image displayed yet.

Once you have done this LampLOC



adjustment, the lamp will be well centered

and distanced correctly from the remainder

of the illumination system.

At the TPC, automatically optimize lamp

position by pressing the

DO AUTO button in

the Advanced: Lamp menu. Watch the

gauge on this menu. After 2-3 minutes,

with the projector using an internal light sensor, the best lamp position will be

established and the

DO AUTO button will no longer be disabled. At this point, light

output is optimized.

NOTE: Lamp must be on and the shutter open during LampLOC



adjustment,

however the projector does not need to be displaying an image.

Determining Screen Brightness (fL)

In order for the TPC to display screen brightness in footlamberts (fL), you must

measure screen brightness at both extremes of lamp power (minimum and maximum)

for a given lamp type, and record these two readings in the TPC Admin: Lamp menu

available to installers. These measurements establish a range (stored in memory)

from which the TPC can interpolate all other lamp power settings, converting them to

approximate footlamberts for display in the menus. Repeat the calibration if you ever

switch to a different lamp type/size.

For more information about menus and footlamberts, see Section 3.

This image alignment procedure assumes projector is fully assembled and powered

up in its final locations.

This initial optical alignment procedure is the foundation for optimizing your

displays, ensuring that images reflected from the DMDs are parallel to and well-

centered with both the lens and screen. It should be complete before adjusting lens

boresight.

NOTE: Before you begin:

 Properly position the projector relative to the screen (refer back to Figure 2.9.)

Basic Optical Alignment Procedure

1. Display a good test pattern appropriate for analyzing image focus and geometry,

such as a single crosshair centered across the image.

2. COARSE FOCUS: Do a quick preliminary focus and (if available) zoom

adjustment with the primary lens only (see 3.8, Working with the Lens). Do not

worry about consistency across the image at this point, just center focus.

Figure 2.31. Align the Lamp

2.10 Basic Image

Alignment

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Christie CP2000-X User Manual Page 35

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