TruVision NVR 22 Series, Руководство пользователя

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Chapter 7: Playback functionality
46 TruVision NVR 22 (SP) User Manual
Figure 16: Example of a smart playback recording
Smart event options
Smart bar showing all smart events found
For more
information on VCA events, go to “VCA setup” on page 75.
To do a smart playback:
1. In playback mode, select Smart from the drop-down list on the upper left corner of
the window.
2. Select the recording mode: Main Stream or Substream .
3. If using dual stream recording, select a camera and date from the calendar on the
right-hand side of the window.
4. Click Play to start playing the recording.
5. Select the rules and areas to do a smart search for VCA or motion events in the
recording.
Icon Description
Cross line detection : This is used to detect people, vehicles and objects crossing a
pre-defined line or an area on-screen. If someone or an object crosses the line, the
time of the event is shown on the Smart bar.
Click the icon and then click on the image to indicate the start and end points of the
line. If you want to change the line position, re-click the icon and draw the line again
Intrusion detection : This is used to detect when intrusion occurs. If someone enters
the selected area, the time of the event is shown on the Smart bar.
Click the icon and then click on the image the four points on the image the set the
quadrilateral area for intrusion detection. Only one area can be set. If you want to
change the detection area position, re-click the icon and draw the area again.
Motion detection : This is used to detect motion in a selected area.
Click the icon and then drag the mouse to draw the motion detection area.
Note: It is not necessary to have motion detection enabled to use this feature.