One such function is the prepending of the protocol symbol to the first data byte of {HEAD ~ the message frame} that occurs in {TAIL ~ response} to handshaking of the MCU 
occurs in
One such function is the prepending of the protocol symbol to the first data byte of { HEAD ~ the message frame } that occurs in { TAIL ~ response } to handshaking of the MCU
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH