Device audio issue - No sound or noise?

Solutions

1. Basic checks

• If you speak on the device but the computer doesn’t hear you → Check the computer’s speakers and the device’s microphone.
• If you speak on the computer but the device doesn’t hear you → Check the computer’s microphone and the device’s speakers.

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2. Device noise

Solutions:

• Identify the type of noise:
  • Echo: Ensure the microphone and speaker of the conference mic are at a 90° angle and there are no obstructions in front of the device.
  • Self-resonance: Verify that the power supply is 12V/1A.
  • General noise:
    • Adjust the device volume to 75~95, the microphone volume to 80~92, and keep a distance of more than 3 meters between the computer and the device.
    • If it still doesn’t work, go to the computer’s microphone settings and set Microphone Boost to 0, then adjust the microphone level.
    • Some computers don’t have Microphone Boost; in that case, find the Custom Options in the microphone settings and uncheck the box in front of AGC.

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3. Computer noise

Solutions:

• Check if the device’s microphone is properly sealed.
• Check if the microphone cable is too long.
• Ensure the microphone’s positive and negative wires are not connected reversely.
• Adjust the device volume to 75~95 and the microphone volume to `80~92).
• Speak at a distance of more than 30 centimeters from the device.

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4. No sound from the computer

Solutions:

• Adjust the volume of the conference mic’s speaker.
• If it still doesn’t work, close the software and reopen it (make sure the conference mic is plugged in first).

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5. No sound from the device or too low sound level

Solutions:

• Check if the light on the conference mic’s microphone is on.
• Check if the device’s playback volume is too low.
• Check if someone else is using the device.
• If the conference mic is not in use:
  • Check if the computer has a microphone.
  • Use the settings software to adjust the volume of the built-in microphone.
  • If the settings software doesn’t work, go to the Computer Microphone Settings to adjust the volume.
• No sound from the device, but you can hear the device’s speaker → Check if the center or the settings software is in active monitoring mode.