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Turning one screw in the opposite direction of the other, affects the twist adjustment.
•
Turning both screws equal amounts in the same direction, moves the images vertically.
Adjusting one screw at a time may cause binding and make it more difficult to achieve the
required adjustment. Do not force the adjustment, the board should move easily with gentle
pressure. Excessive force might cause the convergence adjustment to become misaligned once
you remove the adjustment tool.
Screen/screw
3. Using the 2.5 mm driver, adjust the horizontal screw (B in the image above) for the red and
green formatters.
4. Review the alignment changes to ensure the convergence is satisfactory and repeat steps 2 to
4 as necessary.
Image convergence assessment criteria
Use the following criteria to determine when the alignment changes are satisfactory.
The best possible convergence is:
•
The center area should be perfectly aligned showing solid white pixels.
•
Green and blue images should always be perfectly aligned to each other (to within 1/4 pixel
total in all directions).
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The red image should be evenly 1/4 to 1/2 a pixel out around the outer area, showing cyan
(green + blue) towards the center of the screen.
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 light and green light.
The angle that light travels is affected by every medium it travels through; in this case several
pieces of glass are between red and the screen.
Christie Eclipse Installation and Setup Guide
020-103331-01 Rev. 1 (04-2022)
Copyright
©
2022 Christie Digital Systems USA, Inc. All rights reserved.
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A-2
B
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Installation and setup
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