The system also has {TAIL ~ an automatic mode} in which {HEAD ~ blower speeds} are selected from a pre programmed table 
The system also has { TAIL ~ an automatic mode } in which { HEAD ~ blower speeds } are selected from a pre programmed table
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL REL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH