8. Image Menu
6. Use ↑or ↓to select Input balance.
7. Press →to pull down the menu.
8. Use ↓or ↑to select White balance. (image 8-41)
9. Adjust the Red white level (gain) on aminimal value. (image 8-42)
10.Adjust the blue white level (gain) 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,
in fact the aim is to minimize the effect of the two other colors since there is a risko freaching too so on thetransition
(brightspots) due to the contribution of these two other colors signals.
11.Adjust the Green white level (gain) until bright spots appear on the screen
12.Adjust the Blue white level (gain) until bright spots appear on the screen
13.Adjust the Red white level (gain) until bright spots appear on the screen
The projected image should now be noisy neutral grey.
Image8-41
Input white balance Red
50
0127
Image8-42
Ifone use sa gray scale pa ttern, the bright spots should appear in the white bar.
Selecting Preset restoresthe factory input balance setting
8.9.3 Input balance for YPrPb signalsRemark on the input balance of a componentvideo source
Befores tarting the Input Balance procedure, generate a signal with dominant white parts.
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