wherein {TAIL ~ the portable electronic system} includes a power management function, and wherein the method further comprises the steps of disabling {HEAD ~ the power management function} before said determining step, and enabling the power management function after said determining step 
wherein { TAIL ~ the portable electronic system } includes a power management function , and wherein the method further comprises the steps of disabling { HEAD ~ the power management function } before said determining step , and enabling the power management function after said determining step
OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH