Viper VSS5000 Owner Manual - Page 22

Diagnostics The microprocessor at the heart of your system is constantly monitoring all of the switches and sensors connected to it. It is designed to detect 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 Table of Zones sections of this guide for diagnostic information. Arming diagnostics If the security system is armed at the same time that an input is active (such as a door opening or sensor triggering), you will hear one siren/ horn sound to indicate arming and a second siren/horn sound to indicate Bypass Notification. A Bypass Notification sound means that the security system ignores the input that was active when the system was armed, until that input ceases. For more information, please refer to the expanded version of this manual online at www.automatecarsecurity.com Disarming diagnostics Extra sounds that are heard when disarming the system are the Tamper Alert. If four sounds are heard when disarming the system, then the security system was triggered in your absence. If five sounds are heard when disarming the system, a zone was triggered so many times that the Nuisance Protection® Circuitry has bypassed that zone. For more information, please refer to the expanded version of this manual online at www.automatecarsecurity.com Nuisance Prevention® Circuitry Your system has Directed's Nuisance Prevention Circuitry (NPC). It 18 © 2010 Directed Electronics. All rights reserved.