Barco DP2K-23B, Руководство по установке, Страница: 60 / 137

5. Lenses & lens holder
How to adjust
1. Project a green focus pattern.
2. Loosen the 4 set screws (A, B, C and D) for 1 cm. See image 5-16.
3. Loosen the lock nuts (a, b, c and d). See image 5-16.
4. Turn the adjustment nuts 1, 2 and 3 until the front of each nut is equal with the front of each bolt.
5. Adjust the focus until the image is sharp in the middle of the image.
6. Check focus plane in the middle of the screen. If not completely in focus, turn equally on nut 1, 2 and 3 until the center of the
image is sharp.
1
2
3
F
Image 5-17
Center focusing
7. Start with the left bottom corner. With a white paper, start at the screen and bring the paper forward. Can you focus the image
on the paper?
If yes, The focus plane is before the screen, adjust nut 1 by turning clockwise until the image is focused on the screen.
If no, the focus plane is behind the screen, adjust nut 1 by tuning counter clockwise until the image is focused on the screen.
54 R59770495 DP2K-23B 30/04/2010