This machine cannot accept two audio output devices connected at the same time. If the digital audio input/output device is connected, you can only use digital audio input/output device.
You cannot connect and use two different digital audio input/output devices at the same time.
Do not attempt to connect or disconnect the digital 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.
You can use the left and right USB ports (A type) on this machine.
You cannot adjust the volume or mute a connected digital audio input/output device from the machine. You must adjust the volume settings on the actual device. For details about how to use the digital audio input/output device, see the manuals provided with the digital audio input/output device.