Hey no worries at all Hans
I was aware of the essay by Thomas Back and I also think your suggested feelings for the confusion are probably correct as they were also mine
. I decided to ask Roland directly to settle my curiosity and in our exchange I explained the exact model, date of acquisition and the original purchaser, so I guess we have to take Roland's word on it. If the maker himself tells me that, then that's good enough for me
He only made two units and I am the very lucky owner of one of them
Mike