Re: Vista 20 and IR motion problem

[Nomen Nescio <nobody@xxxxxxxxx>]

>I have a handy use for them in stairwells.  With one
>detector installed at the bottom and another at the top, if a family member
>gets up at night and descends the stairs the interior detectors are bypassed.
>But if a thief tries to ascend (Note to Cracker: that means to "go up") the
>stairs the alarm sounds instantly.
>
>Ascending after the downstairs detectors have been auto-bypassed automatically
>reactivates the interior protection.  This can be accomplished fairly simply
>using the Napco Gemini P3200 and larger panels or with the ELK-M1G system.

All right, I'll bite.  I'm not very familiar with Napco or Elk panels.  How
do you do this?