Adjust Vertical Boresight With An Ils - Christie D4KLH60 Mirage 4KLH Installation Manual

6. When both sides appear equally blurry, adjust the horizontal and/or vertical offset to re-center
the image on the screen.
7. Repeat steps 2 to 6 until the top and bottom of the screen are both well-focused.
8. Re-focus the center of the image. The goal is for good focus at the center and on all sides.
9. Tighten the vertical lock screw (A) to maintain the adjustments.
10. Check the boresight again.

Adjust vertical boresight with an ILS

Perform this procedure if there is an ILS. If there is no ILS, see
59.
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 using the counter-clockwise button on the ILS Adjust
window. Watch the image at the top edge of the screen until it comes into focus. If the image
appears well-focused on the top edge but not on the bottom, determine if the bottom edge
focuses in front of or behind the screen.
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.
D4KLH60/Mirage 4KLH Installation Guide
020-101374-01 Rev. 1 (05-2014)
Adjust vertical boresight
C A
Adjust the Image
on page
B
60