Originally Posted by
Fahrenheit531
I suspect you'll do better over at General Cycling; not a whole lot of computer interface involved in C&V.
Can totally help sort out the howling from your old Mafac Racers though.

Well thanks for replying. My components aren’t Mafac Racer era this is true.
Sorting out Y2K era (primitive) electronics sounded C&V-ish to me. But, OK I will pursue my query on General Cycling. I strayed away from that one lately as it seems I always attract snarky trolls.