Nebula - What is the HDMI-CEC protocal

Modified on: Fri, 17 Oct, 2025 at 1:57 PM


HDMI-CEC is a feature that enables connected devices to communicate with and control each other. This feature is automatically enabled and allows for a single remote to control both devices, such as a projector and a connected TV.


Nebule devices supporting this feature are listed below:

  • Cosmos 4K SE
  • Mars 3 Air
  • Capsule 3 Laser

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