To Set Up an Auto Key Association

As well as input sources, 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
    • White — assign a white background as a key alpha
    • XX — assign the source on the selected input as a key alpha
    • HDMI — assign the source from the HDMI™ input as a key alpha
    • BK — assign internal black as a key alpha
    • BG — assign the matte generator as a key alpha
    • MX — assign the source on Media-Store X as a key alpha
    • MEX — assign the program output of ME X as the key alpha
    • PGM — assign the program output as the key alpha
    • MEX PV — assign the preview output of ME X as the key alpha
    • PV — assign the preview output as the key alpha
    • MEX CL — assign the clean feed output of ME X as the key alpha
    • CLN — assign the clean feed output as the key alpha
    • MiniMEX — assign the output of MiniME™ X as the key alpha
    • XPXV — assign the video output from channel X from XPression as the key alpha
    • XPXA — assign the alpha output from channel X from XPression 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)