Dahua NVR4832-I User Manual page 150

Parameter
Tour
Log
Voice
Prompts
Buzzer
Step 4 Click Apply to complete the settings.
4.7.2.3 Face Recognition
You can compare the detected faces with the faces in the library to judge if the detected face
belongs to the library. The comparison result will be displayed on the AI mode live view screen
and smart search interface, and link the alarms.
System supports AI by Camera and AI by Device at the same time. The AI by device prevails if
you enable these two functions at the same time.
4.7.2.3.1
AI by Camera
You can use the connected camera to realize AI function. Make sure the connected camera
supports human face detection function.
Step 1 Select Main Menu > AI > PARAMETERS > FACE RECOGNITION.
The FACE RECOGNITION interface is displayed. See Figure 4-124.
Description
Select the check box and select the channel for tour. When an alarm occurs, the
local interface of the NVR device displays the selected channel screen.
 You need to set the time interval and mode for tour first, see 4.16.2 Tour.
After the tour is over, the preview interface is restored to the screen split

mode before the tour.
Select the check box, the NVR device records the alarm information in the log
when an alarm occurs.
Check the box and then select the corresponding audio file from the dropdown
list. System plays the audio file when the alarm occurs.
Refer to 4.17.1 File Manage to add audio file first.
Select the check box to activate the buzzer when an alarm occurs.
Local Basic Operations 141