In step 512, if {HEAD ~ the first receiving device} does not have {TAIL ~ an unused tuner}, step 516 may communicate the recording request to the network 
not have
In step 512 , if { HEAD ~ the first receiving device } does not have { TAIL ~ an unused tuner } , step 516 may communicate the recording request to the network
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH