© 2000 Directed Electronics, Inc. Vista, CA 35
table of zones
nuisance prevention circuitry
NPC requires that you change the way you test the system, as NPC will bypass an input zone for 60 minutes. If
the system “sees” the same zone trigger three times AND the triggers are spaced less than an hour apart, the
system will bypass that input zone for 60 minutes. If that zone does not attempt to trigger the system during
the 60-minute bypass period, the zone’s monitoring will begin again at the end of the hour. If it does attempt
to trigger while bypassed, the 60-minute bypass starts over again.
Disarming and rearming the system does not reset NPC. The only way to reset NPC is for the 60 minutes to pass,
without a trigger, or for the ignition to be turned on. This allows the system to be repeatedly triggered, disarmed
and rearmed, and still allow NPC to bypass a faulty zone.
When disarming the system, 5 chirps indicate NPC is activated. The LED will report the zone that has been
bypassed. (See Table of Zones section of this guide.)
ZONE NO. TRIGGER TYPE INPUT DESCRIPTION
1 Instant H1/4 wire. Connect to optional hood input.
2 Multiplexed On-board shock sensor.
3 Two-stage, progresses from H1/3 or H1/5 wire. Door switch circuit.
warning to full alarm
4 Multiplexed Input H1/2 optional sensor. Inputs shorter than 0.8 seconds will
trigger a Warn Away response, while inputs longer than 0.8
seconds will instantly trigger full alarm sequence.
5 Two-stage, progresses from H2/1 wire. Ignition input.
warning to full alarm
NOTE: The Warn Away response does not report on the LED.
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