10. Scheimpflug
How to adjust the Back Focal Length?
1. U nlock and loosen the 4 set screws (reference 11 image 10-15) of the Lens Holder by 1 c entimeter. Use a 1 0mm nut driver for
the lock n uts (reference 21 image 10-15) and use a 3m m A llen wrench for the set screws.
11
1121
Image 10-15
2. Fully loosen the Scheimpflug nut at the lower left o f the Lens Holder (reference 4 image 10-16). U se a 13mm nut driver.
4
4
Image 10-16
3. Turn the three Scheimpflu g adjustment nuts, reference 1, 2 and 3 im age 10-17, until the front of the nut (reference 5 image 10-1 7)
is equally aligned with the front of the threaded rod (reference 6 image 10-17). Use a 13mm nut driver.
Note: This is the nominal pos ition of the Lens Hol
der.
21
3
5
6
x
3 x
1
2 3
4
Image 10-17
4. Is it possible t o focus the center of the projected image using t he motorized focus control (Local Key pad) ? Ensure that the lens
is zoom ed for maximum image on the screen (WIDE).
If yes, no minal position is good for s harp focus in the middle of the projected image.
R5977692 DP2K-S SERIES 10/12/2012
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