A Napster Station can't hear visitors — what do I check?
Start a conversation with the station, then open the station log and choose Request → Record microphone (10, 30 or 60 seconds). The recording needs a conversation in progress; if nobody is talking to the station, the request is refused.
Play the clip in the console. If it's clear, the audio path is fine and the issue is elsewhere. Check the conversation transcript under Activity.
If the clip is silent, the microphone may be muted, the wrong default device may be selected, or Windows may not detect a microphone. Use remote desktop to check the Windows sound settings. A missing microphone is a hardware or driver issue for the venue.
For venues with loud speakers, check that the station's echo cancellation setting is on.