Barco CineVERSUM 110, Руководство пользователя

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8. Image Menu
White balance : In the projector, we will set the contrast for each color until we get a 100% light output picture when projecting a
100% white image (image A)
Black balance : In the projector, we will set the brightness for each color until we get a 0% light output picture when projecting a
100% black image (image B).
The changeover from min to max is indicated by the apparition of bright spots also called “digital noise”
An alternative to a full screen White/black pattern is the standard gray scale pattern, the white bar will be used
for white balance and the black bar for black balance.
Image 8-32
Black balance
1. Press MENU to activate the menu bar.
2. Press → to select the
Image
item.
3. Press ↓ to pull down the
Image
menu.
4. Use ↑ or ↓ to select
Input balance.
5. Press → to pull down the menu.
6. Use ↓ or ↑ to select
Black balance.
(image 8-33)
7. Adjust the red black level on a minimal value (image 8-34, image 8-35)
8. Adjust the blue black level on a minimal value
Note: This minimal value is not necessary , provided that the 2 other colors are not influencing too much the color to be adjusted,
in fact the aim is to minimize the effect of the two other colors since there is a risk of reaching too soon the 50% transition
due to the contribution of these two other colors signals.
9. Adjust the Green black level until bright spots appear on the screen.
10.Adjust the Blue black level until bright spots appear on the screen.
11.Adjust the Red black level until bright spots appear on the screen.
The projected image should now be noisy full black
78 R5976697 CINEVERSUM™ 110 12/05/2004