Network Video Recorder User Manual
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region and occupies half of the whole region, the alarm is triggered.
7. Click and draw a quadrilateral in the preview window by specifying four vertexes of the
detection region, and right click to complete drawing. Only one region can be configured.
Note
You can use the to clear the existing virtual line and re-draw it.
Figure 7-13 Draw Area for Intrusion Detection
8. Click Apply to save the settings.
7.6 Line Crossing Detection
This function can be used for detecting people, vehicles and objects cross a set virtual line. The line
crossing direction can be set as bidirectional, from left to right or from right to left. And you can
set the duration for the alarm response actions, such as full screen monitoring, audible warning,
etc.
Steps
1. Enter Menu → Camera → VCA.
2. Select the camera to configure the VCA.
Note
You can check Save VCA Picture to save the captured pictures of VCA detection.
3. Select VCA detection type as Line Crossing Detection.
4. Check Enable.
