Q: Despite, as I think, correct inputs, I get no contact to the cam. Is there perhaps a "back door" to establish contact from my Linux PC?
flatpak install flathub com.obsproject.Studio flatpak run com.obsproject.Studio
Make sure you have Flathub installed
Start with creating a Scene by clicking on + icon in the bottom left:
In the Sources panel (next to Scenes) click on + to a Media Source for your INSTAR camera:
You should now be seeing your camera's video stream after clicking on Ok:
You can now continue following our previous tutorial to setup the OBS Youtube, Twitch, etc streaming: