There are more and more multi-input and multi-output scenes, and the situation where one signal corresponds to one monitor is simply crazy. If you want to see the input and output at a glance, you no longer have to worry about finding the signal source. Your processor needs to have the “on-screen monitoring” function which available in Novastar VX4 . Users can complete multi-window visualization operations without software connection, which greatly reduces the use cost and operation complexity.
Please read the originial post here: https://ledscreenparts.blogspot.com/2020/02/characteristics-of-mid-end-led-video.html