Dahua DH-XVR5104HS-4KL-I3 User Manual page 181

Parameter
Video Matrix
Buzzer
Log
Alarm Tone
White Light
Siren
Click Apply to complete the settings.
5.11.1.1.2 Searching for and Playing Detected Faces
You can search the detected faces and play back.
Select Main Menu > AI > AI Search > Face Detection.
Select the channel, enter the start time and end time, and set for the gender, age, glasses,
beard, and mask.
Click Smart Search.
The results are displayed.
Description
Select the checkbox to enable the function. When an alarm event occurs,
the video output port outputs the settings configured in "Main Menu >
DISPLAY > TOUR > Extra Screen."
Not all models support this function.

The extra screen must be enabled to support this function.

Select the checkbox to activate a buzzer noise at the Device.
Select the checkbox to enable the Device to record a local alarm log.
Select to enable audio broadcast in response to a face detection event.
Select the checkbox to enable the white light alarm of the camera.
Select the checkbox to enable the sound alarm of the camera.
Face detection
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User's Manual