Audio Detect - Dahua DHI-NVR5208-4KS2 User Manual

Step 2 To configure the settings for the PIR alarm parameters, see "4.8.5.1 Motion Detect."
Step 3 Click Apply to complete the settings.
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4.8.6 Audio Detect

System can generate an alarm once it detect the audio is not clear, the tone color has changed or
there is abnormal or audio volume changes.
Step 1 Select Main Menu > ALARM > AUDIO DETECT.
The AUDIO DETECT interface is displayed. See Figure 4-175.
Click Default to restore the default setting.
Click Copy, in the Copy dialog box, select the additional channel(s) that you want
to copy the motion detection settings to, and then click Apply.
Figure 4-174
Local Basic Operation 237