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The ATEM device controls Blackmagic Design ATEM video switchers. It’s a natural fit for studio mode: cue and take rundown items that cut or transition your switcher’s program output automatically.

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Connection

The agent connects to the switcher over the network. Provide the switcher’s host and, if needed, adjust the port and the mix-effect (ME) index for multi-ME switchers. The common control port is 9910.

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Commands

The ATEM device supports the core switcher operations, including:
  • Set program and preview inputs
  • Perform a cut or auto transition
  • Fade to black
  • Control upstream and downstream keyers (on/off air)
  • Start and stop recording and streaming
  • Run switcher macros and control aux outputs

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State and triggers

The device reports its connection state and raises triggers your rules can react to, including:
  • Connection changes
  • Program and preview input changes
  • Transition activity and fade-to-black changes
  • Upstream and downstream keyer on-air changes
  • Recording and streaming state changes
Trigger data such as the input number and ME index is available for use in rule actions.