At that time, a control mode signal SB supplied to a second switching element {HEAD ~ SW21} connected to {TAIL ~ the radio reception unit} 14 is set to a `H` level in order to put the radio reception unit 14 in an operative state 
At that time , a control mode signal SB supplied to a second switching element { HEAD ~ SW21 } connected to { TAIL ~ the radio reception unit } 14 is set to a ` H ` level in order to put the radio reception unit 14 in an operative state
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL 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 OTH OTH OTH OTH