11. Lenses and Lens holder
Necessary tools
• Allenkey3mm
• Nut driver 13 mm
• Nut driver 10 mm
How to adjust
1. Project a green focus pattern.
Image 11-19
2. Loosen the lock nuts (a, b, c and d). See image 11-18.
3. Loosen the 4 set screws (A, B , C and D) by 1 cm. See image 11-18.
4. Fully loosen lock nut 4. See image 11 -18.
5. Optimize the focus of the projected image as follows:
a) Place the zoom lens in TELE position (smallest projected image) an d ad just the focus using the lens focus barrel or motorized
focus control.
b) Place the zoom lens in W IDE position (largest projected image) and adjust the f
ocus 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 11-20
Center focusing
6. Sharpen bottom left co rner of the screen by adjusting nu t 1.
R5905043 DP2K-12C/11CX 19/02/2018
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