Christie CP4220 Instruction Sheet page 6

4. Look for "twist" using the center vertical and horizontal lines – scan from one side of the screen to
the other, observing any change in vertical position of the color in question relative to the point
where you started. (Figure 6) is an example of a projector with two problems; Red is twisted
counter-clockwise and Blue is high and to the left with no apparent twist.
Figure 6 Poor Convergence Example (pattern simplified)
6 of 10 Convergence Instruction Sheet
020-100703-01 Rev. 1 (05-2011)