On Sat, 25 Mar 2017 09:41:58 +0000, Adrian Caspersz
wrote:

correct!

Yes indeed, but as one who thus so far hasn't been within five
furlongs of a tlz, coupled with the fact that the target area on the
control panel is just an unlabelled white circle, you can understand
why I had to resort to (electrical) first principles to work it out.

Actually I saw it more as a child safety "key" rather than a preivpny
fob, and consequently the super strong rare earth magnet I used will
turn any lanyard into a ligature...
--

Graham.
%Profound_observation%