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Then turn on the power of the active speaker.
3.2.6 Connecting USB to PC
Use standard Type-C USB line, the USB end connects to the PC, the other end
connects to the speakerphone.
Green LED is always on when the speakerphone turns on.
*Extension cable, if you need long-distance wiring, you can use the optional
10-meter USB extension cable, and use it with the standard 1.8-meter Type-C
cable. It is recommended to use it within 11.8 meters.