Dahua HCVR8204A-S3, User Manual, Page: 344 / 446

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
Intensity change: Check the box here, system can generate an alarm once the audio
volume becomes strong.

Sensitivity: It refers to the audio recognition sensitivity. The higher the value is, the
higher the sensitivity is.

Threshold: It is to set intensity change threshold. The smaller the value is, the higher
the sensitivity is.
Step 3 Click Save button to complete setup.
5.7.3.7 Smart Track
The smart track function includes PTZ camera and fixed PTZ camera.
The smart track function refers to a system consisting of the fisheye (fixed camera) and
the PTZ camera. The fisheye(fixed camera) is the master camera to view the whole
surveillance situation, and the PTZ camera is the slave camera to view the details.
Note
180°fisheye camera does not support smart track function.
Preparation

The fisheye and the PTZ camera shall surveillance proper zone.

The fisheye and the PTZ camera shall use the private protocol to add.
Steps
Step 1 From Main menu->Setting->Event->Smart track.
Enter smart track interface. See Figure 5-95.
Figure 5-95
Step 2 Add monitor position and set PTZ camera relationship.
1. Click Add button.
Enter add interface. See Figure 5-96.