Avigilon ACC Enterprise Client Version 4.12 - Manual (Page 95)

Setup
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Figure A.
Speaker dialog box
3. Select the Enable check box to enable audio broadcasting. Speakers connected to the camera
would broadcast audio from the microphone that is connected to the local client.
Note: An error message will appear if you do not have a Speaker Channel License.
4. Select the Record Speaker check box to record what is broadcast.
5. Enter a name for the speaker.
6. The Volume slider controls the volume of the speakers.
7. In the Link to Camera(s) area, select the cameras that should be linked to the speakers.
8. To test the microphone level, speak into the microphone. The red bar will move to show the audio
input level.
9. Click OK.
If you want to enable two-way audio, see Microphone in the client setup section.