Adjust Vertical Boresight - Christie D4KLH60 Mirage 4KLH Installation Manual

5. When both sides appear equally blurry, adjust the offsets to re-center the image.
6. Repeat steps 1 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 59.

Adjust vertical boresight

Perform this procedure if there is no ILS. If there is an ILS, see
on page 60.
1. Focus the image at the top edge of the screen.
2. Loosen the vertical lock screw (A).
3. Extend the lens focus (B) completely.
4. To retract the lens, adjust the Focus knob. Watch the image at the top edge of the screen until
it comes into focus.
If the entire screen is in focus, proceed to step 8.
5. Continue retracting the lens.
a. If the bottom edge of the image comes into focus before the lens is completely retracted,
adjust the vertical boresight bolt (C) to direct or aim the lens mount UP towards the top
of the screen to balance the top/bottom edges.
b. If the top edge of the image is not in focus, adjust the vertical boresight bolt (C) to direct
or aim the lens mount toward the bottom of the screen.
D4KLH60/Mirage 4KLH Installation Guide
020-101374-01 Rev. 1 (05-2014)
Adjust vertical boresight with an ILS
C A
Adjust the Image
Adjust vertical
B
59