Grass Valley DD10 part 1 - Manual (Page 41)

2.7 Keyers Diamond digital DD10
35
Note: Please note that Foreground Fade is enabled automatically – without
special indication – in the following modes:
•
Chroma Key Invert
•
Chroma Key with Border
•
not Self Key.
Before adjusting Chroma Key, you should try to create optimum conditions
on the picture source side to ensure low interference, for example by an
evenly lit blue wall of maximum size and little camera post-amplification.