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4.17.3
Voice
Note
This function is for some series product only.
The audio function is to manage audio files and set schedule play function. It is to realize audio broadcast
activation function.
4.17.3.1.1 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 4-170.
Figure 4-170
Click Add button, you can add audio file and import the audio file via the USB device. The audio file
format shall be MP3 or PCM. See Figure 4-171.
Important
The audio file shall be saved on the USB device. You need to connect the USB device all the time;
otherwise, the audio link function may fail. So, if you want to use the audio trigger function,
please make sure the audio file is on the UBS device and the USB device has connected to the
NVR before the NVR boots up. You need to make sure the USB device connection is always there
if you want to manage and use the audio file function.
Summary of Contents for nvr4208-8p
Page 1: ...Dahua Network Video Recorder User s Manual V 2 7 0 ...
Page 160: ...145 Figure 3 4 3 5 5 NVR41HS W S2 Series Please refer to Figure 3 5 for connection sample ...
Page 171: ...156 Figure 3 18 3 5 19 NVR78 Series Please refer to Figure 3 19 for connection sample ...
Page 172: ...157 Figure 3 19 3 5 20 NVR78 16P Series Please refer to Figure 3 20 for connection sample ...
Page 173: ...158 Figure 3 20 3 5 21 NVR78 RH Series Please refer to Figure 3 21 for connection sample ...
Page 174: ...159 Figure 3 21 3 5 22 NVR70 Series Please refer to Figure 3 22 for connection sample ...
Page 175: ...160 Figure 3 22 3 5 23 NVR70 R Series Please refer to Figure 3 23 for connection sample ...
Page 176: ...161 Figure 3 23 3 5 24 NVR42V 8P Series Please refer to Figure 3 24 for connection sample ...
Page 177: ...162 Figure 3 24 ...
Page 243: ...228 Figure 4 89 Figure 4 90 ...
Page 244: ...229 Figure 4 91 Figure 4 92 ...
Page 259: ...244 Figure 4 110 Figure 4 111 ...
Page 260: ...245 Figure 4 112 Figure 4 113 ...
Page 261: ...246 Figure 4 114 Figure 4 115 ...
Page 263: ...248 Figure 4 117 Figure 4 118 ...
Page 355: ...340 Figure 5 55 Figure 5 56 ...
Page 356: ...341 Figure 5 57 Figure 5 58 Figure 5 59 ...
Page 367: ...352 Figure 5 73 Figure 5 74 ...
