Applies to: ZOSI PoE NVR
Please kindly note that NVR only has audio output when it connects monitor via HDMI port, the resolution of the monitor/TV should be 1920*1080 or 1080*720, or the NVR will not have a sound output if the monitor/TV has other resolution used.
Then please kindly refer to the steps below, check whether you have enabled the audio.
Step 1. Go to Main Menu->Audio-, make sure the audio output of the NVR is enabled like the picture below. Please check the Audio box in the picture.
If the audio icon appears on the live view screen after operating as above, that means you've enabled audio successfully.
Note: Audio is selected by default, which means if the mouse double-clicks a channel screen, the audio channel will automatically switch to another channel.
Please let us know if you have any further questions:
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