Directed Electronics 3100 설치 매뉴얼 - 페이지 9

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Nuisance Prevention Circuitry (NPC)

Nuisance Prevention Circuitry™ or (NPC) bypasses input zones for 60 min-

utes.This prevents annoying repetive trigger sequence due to faulty door pin

switches or environmental conditions such as thunder, jackhammers, and air-

port noise.

When the same zone triggers three times, less than an hour apart, the system

bypasses that zone for 60 minutes. If the zone does not trigger the system

during the 60-minute bypass period, zone monitoring begins again when 60

minutes has passed. If the zone does trigger while bypassed the 60-minute

bypass starts over again. The vehicle doors are protected differently by NPC.

If the system is triggered by an open door for three, full 30-second cycles (one

and one half minutes), the system bypasses the doors until the trigger ceases.

Disarming and rearming does not reset NPC. To reset NPC 60-minutes must

pass without a trigger, or it is reset when the ignition is turned on. The system is

able to trigger repeatedly, disarm, re-arm, and allow NPC to bypass a faulty

zone.

When disarming 5 chirps indicates NPC is active. The LED reports the by-

passed zone, as described in the table below.

A zone is represented by the number of status LED flashes used by the

system to identify a particular type of input.

Zone

Description

(-) multiplex trigger input

Instant trigger: a heavier impact

detected by the on-board shock

sensor

Door switch trigger

Ignition trigger

Input Description

H1/6 Blue wire

On-board shock sensor.

H1/5 Green and H1/7 Violet

H1/9 Yellow wire