Specifically, the receiving state table defines the source of picture data which {HEAD ~ each} receiving {TAIL ~ device} receives  
receiving
Specifically , the receiving state table defines the source of picture data which { HEAD ~ each } receiving { TAIL ~ device } receives
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH