How to send an Alpha channel from ProPresenter 7 with a BMD Decklink Duo2 card

Want hard-wired alpha for a linear key from Pro7? Watch this video to show how to do it with a Decklink Duo2 card.

Do you need two SDI connections to send key and fill from ProPresenter 7 to a hardware switcher? In this video, I’ll show you how to do it with a Decklink Duo 2 card (affiliate link) inside an external Thunderbolt enclosure, in this case, the Xcellon Little Brother (affiliate link, although this one from Sonnet and others, will work too).

It all hinges on making sure the outputs are married together in the Blackmagic Desktop Video software AND you set it up correctly in ProPresenter 7. Watch the video above to see how.

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