Referring to FIGS 2 and 3, {HEAD ~ the numeral} 70 denotes {TAIL ~ a damper switch} , which is turned ON and OFF to select the travelling mode and the operation mode, respectively 
denotes
Referring to FIGS 2 and 3 , { HEAD ~ the numeral } 70 denotes { TAIL ~ a damper switch } , which is turned ON and OFF to select the travelling mode and the operation mode , respectively
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH