The
image of a person of average height has to be at least
10%
of screen height for
deterrent view.
The
image of a person of average height has to be at least
50%
of screen height for
recognition view.
The
image of a person of average height has to be at least
120%
of screen height for
identification view.
A
maximum camera view of
3 metres width
is necessary to
successfully read number plates.
Also
in this Section
Ensuring
you have a CCTV system that works
Perhaps not surprisingly, Halon Bank has found that CCTV systems
that don't have a maintenance contract fail much more often that
those that do have regular maintenance.
10
Point CCTV Self-Check List
You may not find out that your CCTV system is not running to its
full potential until its too late. The Halon Bank 10 point CCTV self
check list will help you decide if your system needs a spring
clean.
