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Dahua NVR4216-16P-4 - 3.14. How to set the audio detect of camera

Dahua NVR4216-16P-4
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40
Figure 3-21
Function Description:
Face detection is to detect if there is any human face appearing in the video, and
capture the face then send it to the rear-end for analysis and processing, it can activate
snapshot, record and alarm.
Operation Steps:
1) Select a channel from the dropdown list, then click “Enable”.
2) Working period setup, default is all day.
3) Click “Face ROIto enhance the human face display .
4) Support alarm activation setup: record, relay-out, send email and snapshot.
3.14. How to set the audio detect of camera
From main menu->Setting->Event->Audio detect, the interface is shown as below.

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