Directed Electronics Python 460HP Owner's Manual page 59

2-3 NUISANCE PREVENTION CIRCUITRY (NPC) ON/OFF: NPC stops repeated triggering
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of the same zone. If one zone is triggered three times in one hour, that zone is bypassed for one hour,
starting from the time of the third trigger. During that hour, if the system detects a trigger on that
zone again, the system resets the one hour timer. If one hour passes and the zone has not triggered
again, the zone is activated and can trigger the system again. NPC monitors sensor inputs and the
door trigger, but does not bypass the ignition trigger at any time. If NPC is turned off, the system
will respond to repeated triggers on the sensor inputs and will do so indefinitely. Some states have
laws regulating how many times a security system can trigger before it is considered a nuisance and
the vehicle is towed away.
2-4 PROGRESSIVE DOOR TRIGGER ON/OFF: The system responds to a door trigger input
with a progressive response. When the door is opened with the system armed, the siren will chirp
10 times prior to the full triggered sequence. The door trigger is still treated as an instant trigger and
closing the door quickly will not prevent a full triggered sequence from occurring. If the progressive
door trigger is programmed off, the full siren output will occur the moment the door is opened.
2-5 VALET PULSE COUNT ONE TO FIVE PULSES: The system can be programmed to count
the number presses of the valet switch before disarming the security system or VRS . The factory
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default setting is one pulse. The unit can be set for two to five pulses using the two-chirp setting to
select the pulse count.
Ghost Switch Option: For added security, the GRAY wire on the two-pin Valet/Program can be
connected to any switch in the vehicle that provides a positive (+) momentary pulse.
2-6 BYPASS NOTIFICATION ON/OFF: When programmed on, any active zone input to the
system during arming will generate a bypass notification chirp. When programmed OFF, no bypass
notification chirps will be generated if any zone is active during arming.
2-7 IGNITION-CONTROLLED DOMELIGHT SUPERVISION ON/OFF: If turned on, the
system will turn on the domelight for 30 seconds when the ignition is turned off. The optional
domelight supervision feature must be installed.
2-8 DOUBLE PULSE UNLOCK ON/OFF: Some vehicles require two pulses on a single wire to
unlock the doors. When the double pulse unlock feature is turned on, the BLUE H2/C wire will
supply two negative pulses instead of a single pulse. At the same time, the GREEN H2/A wire will
supply two positive pulses instead of a single pulse. This makes it possible to directly interface with
double pulse vehicles without any extra parts.
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