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The purpose of the Alarm Dashboard is to give an overview of recent alarms at a glance, without having to utilise the Playback Query function. Clear, interactive graphs present alarm data ordered by Rule, Section and Time, as well as displaying System Alarms, Queues and Stopped entitiesVehicles.
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System Alarms represents the alarms caused by any system fault or failure over the time period selected (the default will be 24 hours). In the example below, a perfect Witness ClearWay™ system has no errors and therefore no alarms:
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Queues represents the alarms caused by entities that are in a queue or have stopped represent queueing traffic based on the settings of your carriageway, and any stopped vehicle alarms over the time period selected (the default will be 24 hours). The orange lines represent queues and red spots represent stopped entitiesvehicle alarms.
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If there are unusually few alarms on first glance at the Rules graph, then it may be useful to go straight to the System Alarms graph to see if there have been any errors in the system that have prevented usual rule and alarm generation. |
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