On Mon, 21 May 2018 10:24:26 +0100, Harry Bloomfield wrote:

No, but I will try that now...

That appears to have worked, thanks for the suggestion..

Dear me, I'd have thought you'd have been around long enough to know
that a full power down reboot cures a significantly high number of
"wierdness" issues with almost any bit of kit.

--
Cheers
Dave.