Not sure how many of you out there got TMC with your RNS's but I'm not sure mine is displaying the correct source.
I finally got mine working by replacing the fuse on the unit (I got some left and willing to do this for others if yours is blown and I can update your firmware).
Quick bodge to test my theory.
The fuses.
I got it all working today, changed the source via VCDS but its still display Telephone.
Working
Source
Should this not say Radio or both depending on the VCDS coding?