Apple Nike + iPod Sensor - Manual (Page 12)

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To calibrate Nike + iPod for running and walking:
1 iPod nano: Choose Nike + iPod > Settings > Sensor
> Calibrate.
iPhone 3G S and iPod touch: Choose Nike + iPod >
Calibration.
2 Choose Run or Walk and enter a distance.
Note: You must enter at least a quarter of a mile
for calibration to be successful.
3 Choose music to accompany your calibration
workout.
4 iPod nano: Press the Center button.
iPhone 3G S and iPod touch: Tap Play.
Then run or walk the set distance at a steady,
natural pace.
5 iPod nano: Press the Menu button and choose
Done Calibrating.
iPhone 3G S and Pod touch: Tap End Workout, and
then tap Done.
A message lets you know if the calibration was
successful. If you want to calibrate for both
running and walking, repeat steps 1–5.
Note: Even after calibrating, the accuracy of the
distance measurements may vary depending on
gait, running surface, incline, and temperature.