4 False Alarm Reduction
Different Ways of False Alarm Reduction:
Graduated Annunciation
In case a security point is violated, the indication for an alarm release gradually increases.
The system increases the control center volume, changes the display animation and
eventually activates the warning devices before an actual alarm report is sent to the
monitoring center (reports may still be aborted or cancelled by the user)
Cross Zoning (a.k.a. Sequential Verification)
When two or more input sensors activate within a specified time period, an intrusion alarm
is considered verified: e.g. if a door sensor and a motion detector both initiate an alarm,
the system sends a verified alarm report (otherwise, an unverified alarm report is sent).
Intelligent Threat Assessment
Based on its current level of protection, input device types, input conditions, and
accumulated fault count, the control panel assesses the potential threat. If the threat
reaches a specific level, the system sends a verified alarm report (otherwise, an unverified
alarm report is sent).
Two-Way Audio Alarm Verification
When an alarm occurs, there is the possibility of two-way voice communication.
For details please refer to page 17.
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