R5905754 /13 DPxK-32B74
Image 5-28: Corner focusing
9. Repeat from go to step 6 until the projected focus pattern is as sharp as possible in the center, left, right, top
and bottom of the screen.
10. Continue with the Fixation of the lens holder front plate procedure.
5.8 Fixation of the Lens Holder front plate
When fixing the Lens Holder front plate
After performing the procedure for Scheimpflug adjustment or Back Focal Length adjustment the Lens Holder
front plate must be secured in such a way that it doesn't disturb the result of the adjustment.
Required tools
• 10mm nut driver.
• 3mm Allen wrench.
• 13mm nut driver.
How to fix the Lens Holder front plate
Start the fixation as follows (steps must be followed strictly) :
1. Project the framing test pattern for FLAT & SCOPE.
2. Zoom the projected image until the edges of the projected test pattern matches with the edges of the
projection screen.
Image 5-29
Lenses & lens holder
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