Crystal Vision
Control Descriptions
Output Signal
Select video source for Main and Aux outputs.
Outputs
Main/Aux
Select which signals are routed to the Main
and Aux video outputs:-
Output video: the composite chroma keyed
result.
Output key: the key signal, as a
monochrome image, produced by the
combination of the chroma keyer, other
keys and masks.
FG input: the Foreground video input.
BG input: the Background video input.
Key input: the external key input signal.
Keyed FG: the suppressed Foreground
image after chroma keying. This signal is
useful for fine adjustment of the various
controls to optimise the removal of the key
colour from the subject.
Keyed BG: the Background signal after
keying. This signal is useful in fine
adjusting the key gain and other controls.
FG Matte: display the matte colour set by
the keyers and effects/FG source and matte
controls.
BG Matte: display the matte colour set by
the keyers and effects/BG source and
matte controls.
Keys & Masks
Set clip and gain levels for the External Key, External Mask and Self Key.
Enable all keys, set key operation to Multiply and enable key inversion.
Safire 3 User Manual R1.3
39
24 March 2017
