On Jun 14, 7:12 pm, Owain wrote:
Paul Corfield wrote:
The "studs" are almost certainly a location identifier that the hand
held unit will read. By holding the unit against the stud it shows he
has been to the area as part of a planned inspection. Bar codes can also
be used. I have seen building security staff use this system to prove
they've undertaken their rounds. LUL is trialling something similar to
be able to record the fact that hourly security checks around the
station have been completed.

Some systems in 'night watchman' scenarios can raise an alarm if a
location point isn't scanned within a time tolerance, in case the
watchman has been apprehended by villains.

Owain

And Victorian/Edwardian policemen had to call in from police boxes on
a regular basis.
But there's an element of New Labour target-driven BS - it doesn't
matter whether you pay any attention, talk to the passengers etc, just
go round and clock in as required.
Tim