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UMD NVR User Manual
5.3.6 Audio Monitoring
In preview mode when you need to listen to a channel, the left mouse button can be used to
select the channel, and then click on this switch in the right menu, to achieve the audio
output. If you do not need an audio output, click again to cancel the effect of listening. The
channel currently open audio monitoring will has a corresponding icon appeared in the
lower left corner of the video screen.
5.3.7 Playback Backup
Through this right click menu you can directly access to the video playback / backup
interface, as shown below:
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