As other post says, connect your first DMX light bar/unit to the Soundswitch dongle theta connected to the SC Live 4. And test it first connected to the computer. And, after you sync the engine dj library on computer to the sc live 4 with usb or SD card, it’ll all work via the SC live 4 lighting panel.
This seemed very complicated to me until I found this one video that was easy to follow.
