Thanks for the reply. The TV-360 box is connected to a HD-Base-T HDMI matrix, and in the living room location goes into an audio extractor box which splits the signal to diigal audio for the soundbar (via TOS link cable) and HDMI to the TV. My TV is quite old and doesn't support ARC.
What worked for me was a factory reset keeping recordings
Then it asked again if I wanted to pair a remote and asked for the soundboard make and model. I did have to re sing in to prime and YouTube and netflix. Could be worth a try. Also there's a YouTube video of a easy way to pair remote. This it's a new video from virgin
If you don't want it paird just use a random TV setting via the manual programing.