Dahua NVR21-S2 SERIES

314
Figure 4-212
4.10.3 Voice
The audio function is to manage audio files and set schedule play function. It is to realize audio broadcast
activation function.
Note
This function is for some series product only.
4.10.3.1.1 File Manage
Here you can add audio file, listen to the audio file, or rename/delete audio file. Here you can also set
audio volume. See Figure 4-213.