Screen is showing something else (TV feed, CCTV camera, etc.) Check the wiring, and set the TV to the right HDMI channel.
![InVidTech_fullcolor.png]](https://info.invidtech.com/hs-fs/hubfs/Logos/InVidTech_fullcolor.png?height=40&name=InVidTech_fullcolor.png){kind=small}