An aspect of the present disclosure facilitates reporting results of processing of continuous event streams. The central hub defines a central space to allow a high-voltage lead wire to fit therein, wherein the ring and hub have cuts on their circumferences, which cuts are connected by two spokes to define a radial passage for the central space to communicate with an exterior of the ring. The power information includes first power information including information about a pilot signal power value and a transmit power value for a first UE among the co-scheduled UEs, and second power information indicating a transmit power value for each of at least one second UE except for the first UE among the co-scheduled UEs. A display screen is disposed on the front surface of the microcomputer.