Public thanks to our down-under friend, Mr A Walsham. I axed him a bunch of questions and got a bundle of near-instantaneous and totally helpful responses - he must stay awake ALL night, just like me. 
Thanks, Tony - mucho appreciated.
tac
'tis OK tac.
Just send money.
HARDEHAR.
Workin’ up to it, as soon as I’ve seen my Mr Fixit Maven over at main131’s…He’s da MAN for doin’s with lectronic stuff.
tac