AstroStart Security System VSS-113 - Manual (Page 9)

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Doors and ignition are covered by NPC ® differently; if the alarm is triggered by an open door or
ignition on cycle for three full cycles, the doors will be bypassed until the trigger ceases.
Note: Arming and disarming the system does not reset this function!
The only ways to reset a bypassed zone are for it to not
trigger for 60 minutes, or to turn on the ignition.
If testing your system, it is important to remember that the NPC
programming can cause zones to be bypassed and appear to stop working.
If five chirps are heard when disarming, NPC has been engaged.
If you wish to clear the NPC memory, turn the ignition key on.
NPC is programmable. See Programming Options section of this guide.
Diagnostics
The microprocessor at the heart of your security system is constantly monitoring all of the
switches and sensors that are connected to it. It detects any faulty switches and sensors and
prevents them from disabling the entire system. The microprocessor will also record and report
any triggers that occurred during your absence. Refer to the System Status Chirps and Table of
Zones charts for diagnostic information.
A
RMING DIAGNOSTICS
If the system is armed while an input is active (door open, sensor triggering, etc.) the unit will
chirp once when arming and then one more time a few seconds later. This is called Bypass
Notification.
Note: Bypass Notification will not occur when using
Silent Mode™ or if chirps have been programmed OFF.
The security system will ignore the input that was active when the system was armed, until the
input goes away. Three seconds later the system will monitor that input normally. For example, if
your vehicle has interior light exit delay, and you arm the system before the interior light goes
out, you may hear Bypass Notification chirps. Once the light shuts off, however, the doors are
monitored normally.
D
ISARMING DIAGNOSTICS
Extra disarm chirps are the Tamper Alert. If four chirps are heard when disarming, the system was
triggered in your absence. If five chirps are heard, a zone was triggered so many times that
Nuisance Prevention ® Circuitry has bypassed that zone. In either case, the status LED will indicate
which zone was involved. (See Table of Zones section of this guide.) The system will retain this
information in its memory, and continue to chirp four or five times each time it is disarmed, until
the next time the ignition key is turned on.