FIGS 27 and 28 show commands and statuses used in {HEAD ~ the controller} 100 in {TAIL ~ detail} 
FIGS 27 and 28 show commands and statuses used in { HEAD ~ the controller } 100 in { TAIL ~ detail }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL