Barco HDQ 2K40 User Manual page 130

10. Image
Image 10-36
Image settings, input balance
2. Press ENTER to select.
3. Do you want to use an internally generated test pattern ?
If yes, use the ▲ or ▼ key to select Adjustment Pattern and press ENTER to toggle between [on] and [off]
If no, adjust on the selected source.
4. Use the ▲ or ▼ key to select Red below Black balance and press ENTER.
5. Adjust the red black level on a minimal value
6. Use the ▲ or ▼ key to select Black balance blue and 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.
7. Use the ▲ or ▼ key to select Black balance green and adjust the Green black level until bright spots appear on the screen.
8. Use the ▲ or ▼ key to select Black balance blue and adjust the Blue black level until bright spots appear on the screen.
9. Use the ▲ or ▼ key to select Black balance red and adjust the Red black level until bright spots appear on the screen.
The projected image should now be noisy full black
If one uses a gray scale pattern, the bright spots should appear in the black bar.
Performing White input balance
1. Connect the source you want to project.
2. Press Menu to activate the menus and select Image → Image Settings → Input Balance.
Image 10-38
Main menu, Image
126
Image 10-37
Image 10-39
Image adjustments
R5905303 HDQ 2K40 02/03/2015