Re: A scope for installing PIR?

["Jim" <alarminex@xxxxxxx>]

Chuck Norris wrote:
> John O wrote:
> > I need some help from you pros. I'm staring at an assessment
question that
> > says something like this: "when installing a motion sensor in an
odd-shaped
> > room, scope the perimeter and eliminate obstructions."
> >
> > I'm assuming there is a device that I would look through that gives
me some
> > idea of what the PIR would see. But I can't sniff out anything on
the web to
> > clarify this. I've given this a good try, and far too much time,
but I can't
> > find a link to such a device. Does anyone know where I'd find one?
> >
> > -John O
> >
> >
> close one eye and don't move your head is a approximation of what
your
> PIR will 'see', unless your have a 'hallway lens' on it.

If I close one eye, I see dark.


I've tried contact lenses but never "hallway" lenses.