AVer EB3004 NET & NET+ - Manual (Page 63)

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Click Reset to Default Value to set all video setting back to the default.
- Audio Out @ Quad
Select the channel to output the audio signal While QUAD mode. Please make sure the audio
output device (such as a speaker) is connected to DVR unit.
- Audio Mute
Enable/disable to hear audio sound while playback. To hear sound, make sure the unit is
connected to a speaker.
i
If you want to hear the voice when you playback the recorded file on this DVR, please
make sure that you have disabled Audio Mute.
- Volume
To adjust audio output volume.