During at least one condition after the warm up at 204, {HEAD ~ the engine} may be operated at an increased expansion across the first turbine and {TAIL ~ a decreased expansion} across the second turbine 
operated at
During at least one condition after the warm up at 204 , { HEAD ~ the engine } may be operated at an increased expansion across the first turbine and { TAIL ~ a decreased expansion } across the second turbine
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH