"Mike" wrote:

I installed a whole load round a factory complex and the only way to do
it is by trial and error. Which means at this time of the year, working
late :-((.
[SNIP]

Thanks ... I've sussed the Always On/PIR toggle, but still need to sort the
range/duration thing ... I suppose I'd better get in the garden with some
gloves on, 'cos the bugger gets warm!

ED