To Set Up an Auto Key Association

Input sources and internally generated sources, such as media-stores and color backgrounds,can be set up as an auto key.

1. Click Navigation Menu > Configuration > Inputs > Physical if you are setting up the auto key for a physical input, or Internal if you are setting up the auto key for an internal input.
2. Click the Alpha Source button for the key video source that you want to assign an alpha to.
3. Click the key alpha source that you want to assign to the key video.
   • --none-- — no alpha
   • XX — assign the source on the selected input as a key alpha
   • BK — assign internal black as a key alpha
   • BG — assign the matte generator as a key alpha
   • MiniMEX — assign the output of MiniME™ X as the key alpha
   • MMX PV — assign the preview output of MiniME™ X as the key alpha
   • MMX Cmb — assign the combined alpha output of MiniME™ X as the key alpha
4. Click the Alpha Mode button and select the alpha mode for the key alpha.
   • Linear — the alpha cuts a hole based on the gradient values of the alpha (gray)
   • Shaped — the alpha cuts a hole based on the monochrome value of the alpha (black or white)