Adjust the Image
Mirage 4K35 User Manual
50
020-101377-03 Rev. 1 (07-2015)
1. Loosen the lens mount stabilization screw (D).
2. Loosen the horizontal lock screw (A).
3. Extend the lens focus (B) completely.
4. Adjust the
Focus
using the focus knob to retract the lens. Watch the image at the left edge of
the screen until it comes into focus. If the entire screen is in focus, proceed to step 7.
5. 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 (C) to balance the left and right edges.
b. If the right side of the image fails to focus, adjust the horizontal boresight bolt (C).
6. When both sides appear equally blurry, adjust the offsets to re-center the image.
7. Repeat steps 1 to 5 until both sides of the image are focused.
8. Tighten the lock screw (A) and the lens mount stabilization screw (D) to maintain the
adjustments.
9. Check the boresight again.
10. Unless proceeding to adjust vertical boresight, perform a lens calibration.
For more details, see
Calibrate the lens motors
on page 79.
Adjust vertical boresight
1. Focus the image at the top edge of the screen
Warning!
Failure to comply with the following could result in death or serious injury.
When doing optical adjustments on an operating projector and the top lid is removed, everyone
within the immediate vicinity must wear safety glasses with side shields and Christie approved
protective safety clothing (P/N: 598900-95).
A
C
B
D
