Screens
To add a TV, open the SignalingStream app on it and scan the QR code it shows with your phone (or press + Add screen and type its code). A TV plays nothing until it's approved. For TVs mounted vertically, pick a Rotation and press Identify: the right setting is the one where the name reads upright.
Select or create a playlist.
Media library
Users
Everyone listed here can manage all screens, playlists and media.