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Introduction

A Rule Disarm Check can temporarily disable a rule for a configured period of time. For example, a technician may be sent into an Area to perform some maintenance, and they can press an external trigger to disable an alarm whilst they are doing their work. This alarm will then be enabled automatically after the configured period of time.

Contents

Configuration

Nodes

Inputs

External Input https://navtechradar.atlassian.net/wiki/spaces/TUN/pages/1874853893/Rule+Inputs#External-Input

A trigger from an external system. If no external system has been set up, a test external input can be implemented. 

Time Input https://navtechradar.atlassian.net/wiki/spaces/TUN/pages/1874853893/Rule+Inputs#Time-Input

How often the external input checks whether the rule should be disarmed e.g. every 1s.

Track Sighting Input https://navtechradar.atlassian.net/wiki/spaces/TUN/pages/1874853893/Rule+Inputs#Track-Sighting-Input

A trigger from a track; in this case as it passes through an Area. 

Checks

Rule Disarm Check https://navtechradar.atlassian.net/wiki/spaces/TUN/pages/1866498140/Rule+Checks#Rule-Disarm-Check

Area Check https://navtechradar.atlassian.net/wiki/spaces/TUN/pages/1866498140/Rule+Checks#Area-Check

Actions

Alarm https://navtechradar.atlassian.net/wiki/spaces/TUN/pages/1874854150/Rule+Actions#Alarm

Camera https://navtechradar.atlassian.net/wiki/spaces/TUN/pages/1874854150/Rule+Actions#Camera

PPI Example

After the Disarm Timeout has passed the alarm is raised:

Video

The following video demonstrates how to configure a Disarm Rule. In this scenario, an external trigger pressed to disable the alarm, however, this trigger is disabled after 14s and after the 10s Disarm Timeout has passed then the alarm is given.

Disarm Rule.mp4

Related Information

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Safety is everything.