Adjust Left/Right Boresight - Christie CP2000-XB Setup Manual

Section 2: Installation & Setup

2.11.2 Adjust Left/Right Boresight

The goal for left/right boresight alignment is to adjust the lens mount until both
sides of the image focus on the screen simultaneously. Projectors are aligned
properly at the factory, but due to mechanical tolerances in the alignment between
the projector and the screen, the left and right sides of the image come into focus
at different times. By focusing on the left side of the screen, we need to determine
if the right side of the image focuses in front or behind the screen relative to the
left side. NOTE: Use a test pattern with a single pixel vertical and horizontal line
and perimeter frame such as DC2K Framing or RGB Alignment.
1. The Horizontal Hold Screw acts as counter-resistance to hold the lens mount
in place once set. Before adjusting the boresight, loosen the Horizontal Hold
Screw. See Figure 2-37.
2. Extend the lens completely.
3. Adjust the Focus to retract the lens using the down arrow on the Main: Lens menu. See Figure 2-38.
Watch the image at the left edge of the screen until it comes into focus. If the image appears well-focused
on the left edge but not on the right, determine if the right side focuses in front of or behind the screen. If
the entire screen come into focus, skip to step 7
4. Continue retracting the lens.
a. If the right side of the image comes into focus before the
lens is completely retracted, then the image focuses in
front of the screen. See Figure 2-39. To correct this prob-
lem, adjust the Horizontal Boresight bolt to direct or aim
the lens mount towards the LEFT to balance out the left/
right edges. See Figure 2-37.
b. If the right side of the image fails to come into focus then
the image focuses behind the screen. To correct this prob-
lem, direct the lens mount towards the RIGHT by adjust-
ing the Horizontal Boresight accordingly.
5. When both sides appear equally blurry, adjust the Offset by
clicking the up/down/left/right buttons on the Main: Lens
menu to re-center the image on the screen.
2-26
Figure 2-38 Adjust Focus
Horizontal
Hold
Screw
Horizontal
Boresight
Bolt
Figure 2-37 Horizontal
Focus Left
Edge Center
Figure 2-39 Aerial View Illustrating
Misaligned Boresight
CP2000-XB Setup Guide
020-100250-02 Rev. 1 (06-2009)
Boresight