Barco UDX 4K22 Installation Manual page 50

4. Lenses & Lens selection
Image 4-19
2. Unlock and turn out the lock screws (reference A, B and C, image 4-20) of the Lens Holder . Use a 8 mm Allen wrench for the
lock screws.
3. Optimize the focus of the projected image in the center of the screen (F) using the motorized focus control (Local Keypad).
A
Image 4-20
Center focusing
Scheimpflug adjustment steps
1. Sharpen the image at the bottom left corner of the screen by turning the upper left Scheimpflug adjustment screw either clockwise
or counterclockwise (reference 1 image 4-21). Use a 5 mm Allen wrench.
Image 4-21
Left bottom focusing
As a result of this action, the focus in the center will fade a bit. This is expected behavior.
2. Sharpen the image at the lower right corner of the screen by turning the upper right Scheimpflug adjustment screw (reference 2
image 4-22).
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B
C
F
1
F
F
R5906113 UDX 07/07/2017