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•
The horizontal adjustment screw is independent of the twist and vertical adjustments.
•
Christie recommends that you locate the twist adjustment screw with the 2.5mm Allen driver
and leave it in place, resting against the lens mount/formatter board.
•
Use a second driver to adjust the horizontal/twist adjustment screw or the vertical adjustment
screw.
Final convergence assessment
1. On the prisms, the red image is slightly larger than the blue and green. The larger size is
caused by the natural properties of Red light due to a slow wavelength compared to blue and
green. The angle that light is traveling is affected by every medium it travels through, and in
this case several pieces of glass are between red and the screen—the red image is affected
more so as it ends up slightly larger.
a. This means that the best possible convergence would be the center area should be
perfectly aligned showing solid white pixels, as shown in the simplified diagram.
b. The Red must be evenly 1/4 to 1/2 a pixel out all the way around the outer area, showing
cyan (green + blue) towards the center of the screen.
D4KLH60/Mirage 4KLH Installation Guide
020-101374-01 Rev. 1 (05-2014)
Adjust the Image
66
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