Nuisance prevention circuitry, System status chirps – Python 1090 User Manual

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note:

sensorinputsthataretriggeredtoomanytimeswill

be bypassed using a feature called NPC for Nuisance
Prevention��

nuisance prevention circuitry

Thisdiagnosticfeaturemonitorsthesensorinputsforexcessivetrig‑
gersandbypassesthemautomaticallytoavoidannoyingrepeatedtrig‑
gers��

how it works

Ifanysensorinputistriggered3timeswithinaonehourperiod,
itwillbebypassedforonehour��Theinputwillstillbemoni‑
tored,butthealarmwillnotsoundifatriggerisdetected����

If the input is triggered while bypassed, the one hour bypass
timerwillstartover��Thiswillassurethatarepeatedlytriggered
inputwillremainbypasseduntilstableforatleastonehour��

resetting the sensor input

Abypassedsensorinputwillresetautomaticallyifnottriggered
foronehour��Toresetabypassedsensorinputmanuallytheigni‑
tionmustbeturnedon,disarmingandrearmingthealarmwill
notresetabypassedinput

system status chirps

The siren will chirp when arming/disarming the system. The pattern
of chirps will audibly report the system’s status as described next.

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