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