Barco HDX 4K, User Manual

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4. Lenses & Lens selection
Image 4-20
2. Loosen the lock nuts (a, b, c and d). See image 4-19.
3. Loosen the 4 set screws (A, B, C and D) by 1 cm. See image 4-19.
4. Fully loosen lock nut 4. See image 4-19.
5. Optimize the focus of the projected image as follows:
a) Place the zoom lens in TELE position (smallest projected image) and adjust the focus using the lens focus barrel or motorized
focus control.
b) Place the zoom lens in WIDE position (largest projected image) and adjust the focus by turning equally on nut 1, 2 and 3.
c) Repeat steps “a” and “b” until the projected image is as sharp as possible.
1
2
3
F
Image 4-21
Center focusing
6. Sharpen bottom left corner of the screen by adjusting nut 1.
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