Figure 6-32
In the main interface, click "Configuration →System →Normal Event → Video
Loss" to enter the video loss setting interface, as shown in Figure 6-33 below.
Here you could enable channel video loss and set the corresponding alarm
when the video is lost.The relevant parameters are consistent with the local
settings of the NVR.
Figure 6-33
In the main interface, click "Configuration →System →Normal Event →
Buzzer Alarm" to enter the buzzer alarm setting interface, as shown in Figure