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    • Whty is there audio signal in the surveillance window but no audio signal in the playback state?
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    • Whty is there audio signal in the surveillance window but no audio signal in the playback state?

    • Whty is there audio signal in the surveillance window but no audio signal in the playback state?

    1970-01-01

    ＊Setting issues: the audio option is not chosen in Recording Settings.

    ＊The according channel is not connected with the video.  


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