Christie CP4230 User Manual page 43

3. 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.
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 to balance the left and right edges.
b. If the right side of the image fails to come
into focus, adjust the horizontal boresight
bolt.
5. When both sides appear equally blurry, adjust
the horizontal or vertical offset to re-center the
image.
6. Repeat steps 1 - 5 until both sides of the image
are focused.
7. Tighten the horizontal hold screw to maintain your
adjustments.
8. Check the boresight again.
CP4230 User Manual
020-100621-03 Rev. 1 (05-2014)
Focus
Left Edge
Center
Adjust
H Boresight
Bolt
Section 4: Adjust the Image
Focus
Hold
4-3