The slave responds in {HEAD ~ time slot} 7 with {TAIL ~ an acknowledgement} and the suggested spectrum for transmission of data 
with
The slave responds in { HEAD ~ time slot } 7 with { TAIL ~ an acknowledgement } and the suggested spectrum for transmission of data
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH