11. Scheimpflug
11.2 Scheimpflug adjustment
Necessary tools
• 3mm Allen wre nch.
• 13mm nut driver.
• 10mm nut driver.
Preparation steps:
1. Ensure that the throw ratio of the installed lens matches the requirements of the application (projection distance and screen size).
2. Ensure that the correct lens parameters are activated. (See user guide o f the Communicator chapter Installation > Advanced >
Lens parameters)
Note: Selecting the wrong lens parameters will result in an unexpected behavior of the lens when using macros for switching
between FLAT and SCO PE (c hange in pic ture size an d focus).
3. Perform a lens H OME & RETURN operation. (See user guide of the Comm unicator chap ter Installation > Advan ced > Lens
parameters)
4. Project the green focus test pattern.
Image 11-3
5. Zoom the lens for max imum image on the screen (WIDE).
6. Is it possible to focus the c enter of the projected image?
If yes, the Back F ocal Leng th is O K. Proceed with the next step.
If no, the Back Focal Length needs realignment. Proceed with the procedure "Back F ocal Length adjustment", page 86.
7. Unlock and turn out the 4 s et screws (reference 11 ima ge 11-4) of the Lens Holder by 1 centimeter. Use a 10m m n ut driver for
the lock nuts (reference 21 im age 11-4) and use a 3mm Allen wrench for the s et screws.
11
1121
Image 11-4
8. Fully loosen the Sc heimpflug nut at the lower left of the Lens Holder (reference 4 imag e 11-5). Use a 13mm nut driver.
9. Optimize the focus of the pr ojected im age in the center of the sc reen (F) using the motorized focus c ontrol (Local Keypad).
4
F
FOCUS
4
Image 11-5
82 R5906693 DP2K-E SERIES 19/06/2015
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