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As soon as an alarm is accepted for evaluationevent is taken into processing, the alarm event recording is played back automatically one time, at 1X speed. Playback is launched started either from the moment of the beginning of the an alarm event, or from the moment corresponding to the position of the alarm event flag (only when the alarm event is initiated automatically; see the section Initiating an alarm in the system—see Initiate alarm).

If the alarm was event is initiated automatically, the visual element set for the detection tool, which initiated the alarm will be event, is displayed in the viewing tile Surveillance window: or either a detection area or virtual tripwire, which triggers line that, when crossed, cause the detection tool when it is crossedto generate an event. The object which that caused the trigger will be detection tool to generate an alarm is outlined with a red frameborder.

Display of an the Area visual element:

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Display of a the Line visual element:

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The name of the detection unit tool that initiated the alarm event is displayed in the lower portion of the viewing tileabove the buttons for alarm assessment.

To navigate the fragment of an the alarm event, use the Advanced archive navigation advanced panel (see Navigation Navigating using the advanced panel) or the Playback panel (see Navigating using the Playback Panelpanel).

To switch go to a the required fragment of an the alarm event in order to play it again, hold the timeline the timeline pointer with the left mouse button and drag it to the required position.