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more secure the sensor, the more accurately speed and distance are measured.
4. Turn the foot pod on before exercising. Press and hold the red button on the foot pod until the
green light starts flashing.
5. After exercising, turn the foot pod off by pressing and holding the red button until the green light
switches off.
Optional calibration of the foot pod can improve the accuracy of speed, pace and distance measurements.
For further information, see Calibrate the Foot Pod.
*Optional S1 foot pod required.
Calibrate the Foot Pod
Optional calibration of the foot pod improves accuracy of speed, pace, and distance* measurements. It
is recommended that you calibrate the foot pod before using it for the first time, if there are significant
changes in your running style, or if the position of the foot pod on the shoe is dramatically changed
(e.g. if you have new running shoes). You can calibrate the foot pod by running a known distance, or by
setting the calibration factor manually.
Calibrate Foot Pod by Running a Distance (on-the-fly calibration)
You can calibrate the foot pod at any phase of your exercise with lap distance correction, provided you
are not exercising with distance-based targets. Just run a known distance, preferably more than 1000
meters.
Make sure the foot pod function in the running computer is on:
Select Settings > Features > Footpod
In the time mode press OK twice, then start running.
You can calibrate the foot pod during any lap of the run. When you are in a starting point of a known
lap distance, press OK and start running. When you have run the whole lap distance, calibrate by
choosing either alternative:
1. Stop running, stand still, and press and hold LIGHT to go to Settings. Or,
2. Stop running, stand still, and press STOP once. Select Settings.
Select Calibrate > Correct lap > Set true lap distance. Fix the displayed lap distance with the distance you
just run, and press OK.
Calibration complete and the factor are displayed. The foot pod is now calibrated and ready for action.
Set Calibration Factor Manually
The calibration factor is calculated as a ratio of the actual distance to the uncalibrated distance.
Polar RS400 User Manual 8