Adjust Vertical Boresight - Christie CP42LH Service Manual

1. Loosen the horizontal lock screw (A).
2. Extend the lens focus completely.
Retract the lens with the focus knob (C) to adjust the Focus. Watch the image at the left edge
of the screen until it comes into focus.
3. If the entire screen is in focus, proceed to step 8.
4. Continue retracting the lens.
a. If the right side of the image comes into focus before the lens is completely retracted,
adjust the horizontal boresight bolt (B) to balance the left and right edges.
b. If the right side of the image fails to focus, adjust the horizontal boresight bolt (B).
5. When both sides appear equally blurry, adjust the focus (C) to re-center the image.
6. Repeat steps 2 to 5 until both sides of the image are focused.
7. Tighten the horizontal lock screw (A) to maintain the adjustments.
8. Check the boresight again.
9. If you need to adjust the vertical boresight, skip to the next section. See
boresight on page 28.

Adjust vertical boresight

Perform this procedure if there is no ILS. If there is an ILS, see
on page 29.
1. Focus the image at the top edge of the screen.
CP42LH Service Manual
020-101686-03 Rev. 1 (08-2016)
A
B
Adjust the Image
C
Adjust vertical
Adjust vertical boresight with an ILS
28