10. Settings
Analternative to a full screen White/black patternis the standard gray scale pattern, th e white bar will be used
forwhite balance and the black bar for black balance.
Image10-24
Black balance
1. Press MENU to activate the Toolbar
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 10-25)
7. adjust the red black level on a minimal value (image 10-26, image 10-27)
8. adjust the blue black level on a minimal value
Note: thisminimal value is not necessary , provided that the 2 other colors are not influencing too much the color to be adjusted,
infact the aim is to minimize the effect of the two other colors since there is a risk of reaching too soon the transition due
to the contribution of thesetwo other color signals.
9. Adjust the green black level until bright spots appear on the screen
10.adjust the blue black level on a minimal value
Note: thisminimal value is not necessary , provided that the 2 other colors are not influencing too much the color to be adjusted,
infact the aim is to minimize the effect of the two other colors since there is a risk of reaching too soon the transition due
to the contribution of thesetwo other color signals.
11.Adjust the green black level until bright spotsappe ar onthe screen
12.Adjust the Blue black level until bright spots appear on the screen
13.Adjust the red black level until bright spots appear on the screen
The projected image should know be noisy fullblack
Image10-25
78 R5976741 MGP 15 MEDICAL GRADE PROJECTOR 28/04/2004