Mac the Knife.....
"Curious" indeed. .....I only posted this after endless attempts over the last couple of days, to no avail. .....This morning, with no changes to the laptop settings it was working intermittently. .....Tonight, no problem (!)
That said, not a waste of time; quite an interesting subject once you get into it on the web (believe it or not!). Useful replies (and link/ORAC) thanks.
NB: Since resolving this, in a fit of enthusiasm I thought it would be nice to synchronize via
Blighty's premier time source (i.e., Rugby's spot in cyberspace) But
not yet apparently.