For the info of any other Carvin owners with a TRS jack to switch channels & Reverb (X100B, Legacy, MTS, Nomad, Belair) I have now done this & it works a treat! :mrgreen:
I wired the tip of a TRS plug plugged into the FS22 Jack on my Carvin amp to pin 8 on an 8 pin Din plug & the ring to pin...