7. Advanced
Image 7-33
8. Press ENTER
A dialog box is displayed
9. Adjust the red black level on a minimal value
Image 7-34
10.Adjust the blue black level to a minimal value
Note: this m inimal value is not necessary , provided that the 2 other colors are not influencing too much the color to be adjus ted,
in fact the aim is to minimize the effect of the two other colors since there is a risk of reaching too s oon the transition
(bright spots) due to the contribution of these two other colors signals.
11.Adjust the Green black level until bright spots appear on the black part of the image
12.Adjust the Blue black level until bright spots appear on the black part of the image
13.Adjust the Red black level until bright spots appear on the black part of the image
The projected image should now be noisy neutral grey.
If one uses a checkerboard pattern, the bright spot
s should appear in the black blocks.
Black Level... is greyed out if Automatic Black level is enabled (ON).
Performing White input balance
1. Select a white pattern (or gray scale as alternative)
2. Press MENU to activate the Tool bar
3. Press → to select the Image item
4. Press ↓ to Pull down the Image menu
5. Use ↑ or ↓ to select Input ba lance
6. Press → to pull down the menu
7. Use ↓ or ↑ to select White level...
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R59770286 NW-12 07/09/2009
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