I did search the forums and someone said the option 71 and 72,number of bays, has to be set to 2. I checked and it is but for grins changed it to 3 and no change, set back to 2. Also in maint. show status of the pri CP_Dev, I think softkey 1, on music = yes when the channel is "stowed". The pri appears to be connected to the music but no audio.