The message {HEAD ~ “CAL}” appears in {TAIL ~ the display} 26, prompting the user to calibrate 
appears in
The message { HEAD ~ “ CAL } ” appears in { TAIL ~ the display } 26 , prompting the user to calibrate
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH