How do I activate the DJI O4 Air Unit series?

The DJI O4 Air Unit Series must be powered by the flight controller or battery to activate the transmission module.

Related Questions

What devices are compatible with the DJI Osmo Action Curved Base Kit?

A range of DJI Osmo devices are compatible.

What should I do if the DJI O4 Air Unit series only shows the video transmission screen and does not display OSD information after connecting to DJI Goggles?

Can the DJI O4 Air Unit Series connect to cameras of other brands?