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You cannot connect and use two different audio input/output devices at the same time.
Do not attempt to connect or disconnect the audio input/output device while connecting or receiving a call, or while in the middle of a meeting. Doing so will cause problems with the audio.
Connect the A connector end of the USB cable to the USB port (type A) on this machine.

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You can use the left and right USB ports (A type) on this machine.
You cannot adjust the volume or mute a connected audio input/output device from the machine. You must adjust the volume settings on the actual device. For details about how to use the audio input/output device, see the manuals provided with the audio input/output device.