Grass Valley Indigo AV Mixer v.1.2.2 - Manual (Page 85)

INDIGO AV Mixer User Manual 85
Keyer Main Menu
Adjust
Different parameters are displayed, depending on the key type you
selected. If you selected
PiP as key type, only Opacity is displayed here.
See also Key Control Signal Adjustment on page 50 for detailed information.
Figure 43. Adjusting the Keyer parameters
Auto
The INDIGO AV Mixer automatically sets the key signal parameters to
suitable values (automatic chromakey computation).
Cursor
This button is only available if you selected Chroma as the key type.
The Cursor button enables/disables the Cursor to select the area (color) to
be cut.