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How to adjust the Back Focal Length?
1. Unlock and loosen the 4 set screws (reference 11 image 10-15) of the Lens Holder by 1 centimeter. Use a 10mm nut driver for
the lock nuts (reference 21 image 10-15) and use a 3mm Allen wrench for the set screws.
Image 10-15
2. Fully loosen the Scheimpflug nut at the lower left of the Lens Holder (reference 4 image 10-16). Use a 13mm nut driver.
4
Image 10-16
3. Turn the three Scheimpflug adjustment nuts, reference 1, 2 and 3 image 10-17, until the front of the nut (reference 5 image 10-17)
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 position of the Lens Holder.
1
4
Image 10-17
4. Is it possible to focus the center of the projected image using the motorized focus control (Local Keypad) ? Ensure that the lens
is zoomed for maximum image on the screen (WIDE).
If yes, nominal position is good for sharp focus in the middle of the projected image.
R5977692 DP2K-S SERIES 10/12/2012
4
11
21
11
1
2
3
10. Scheimpflug
2
3
3 x
3 x
5
6
65
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