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As soon as an alarm is accepted for evaluation, the alarm recording is played back automatically one time, at 1X speed. Playback is launched either from the moment of the beginning of the alarm, or from the moment corresponding to the position of the alarm flag (only when the alarm is initiated automatically; see the section Recording to Archive and Initiation of an Alarm).
If the alarm was initiated automatically, the visual element set for the detection tool which initiated the alarm will be displayed in the viewing tile: or a detection area or virtual tripwire , which triggers the detection tool when it is crossed. The object which caused the trigger will be outlined with a red frame.
Display of an Area visual element:
Display of a Line visual element:
The name of the detection unit that initiated the alarm is displayed in the lower portion of the viewing tile.
To go to the desired segment of the alarm event to replay it, left-click the timeline indicator and drag it to the corresponding position.
Note
To switch to the previous result, click
on the playback control panel or move the timeline indicator to the following position: .Once a segment is selected for replay, the following operations are accessible:
It is possible to change the mode (forward/reverse) and speed of playback. To do this, use the slider.
Reverse playback of a video fragment:
Forward playback of a video fragment:
For reverse playback of a recording, move the slider to the left of the position corresponding to zero playback speed (the center of the slider); for forward playback, move it to the right. The current playback speed is displayed to the left of the slider. During forward playback of a recording, a + sign appears before the speed; during reverse playback, a - sign appears.
The value 0X corresponds to zero speed, i.e., no playback; the value 1X corresponds to the frame rate of recording. At a speed less than 1X, playback is slower than the speed of recording.
Note