Fold Mirror And Convergence Adjustments - Christie CP2000-X User Manual

Add Auxiliary Lens 
2.12 Fold Mirror and
Convergence
Adjustment
CP2000-X User Manual
020-100031-01 Rev . 1 (03-2009)
Adjust the vertical boresight bolt (Figure 2.40) using one allen key to hold the
2.
bottom hex screw and another to turn the adjustment bolt above it. Adjust as
necessary to direct or "aim" the lens toward the edge of the image that focused
too close to the lens. When both top and bottom appear equally blurry, re-focus
at the top of the screen.
Adjust vertical offset to re-center the image on the
3.
screen.
Repeat steps 8 and 9 until the top and bottom of
4.
screen are both well focused.
: Although all sides of the image should
5. REFOCUS
now be in focus, the center of the image will be
slightly blurry at this point. Refocus at center of
image. The goal is good focus at center and on all
sides.
Adjust the "hold" screw to lock in place, and
6.
check boresight again.
If present, swing the auxiliary lens in position in front of the primary lens. It should
magnify in the horizontal direction only, stretching the image straight across the
screen—this requires that its aperture (visible within the lens) be vertically aligned
with the screen. If the image appears skewed, loosen the locking ring on the auxiliary
lens and rotate the lens as necessary until the wide image is horizontal.
FOCUS PRIMARY LENS:
using focus knob. The goal is good focus at center and on all sides.
FOCUS AUXILIARY LENS:
improvement, focus the auxiliary lens too—rotate its barrel as
needed.
In rare instances, shipping and handling may affect the precise factory alignments of
one or more optical components—as a final step of installation, the installer may
have to adjust the fold mirror and/or convergence of the DMDs as described here.
A convergence problem is evident when one or more projected
DMD CONVERGENCE:
colors (red/green/blue) appears misaligned when examined with a proper
convergence test pattern—where normally the 3 colors should overlap precisely to
form pure white lines throughout the image, one or more poorly converged individual
colors may appear adjacent to some or all of the lines. Qualified service technicians
can correct as described on the color label provided inside the projection head.
NOTE: Custom Convergence Kit required (available separately).
With the auxiliary lens in place, re-focus the primary lens
If horizontal focus in the image needs
INSTALLATION AND SETUP
Figure 2.40. Adjust
Top/Bottom Boresight
Focus
(AUXILIARY)
2-31