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Archived - Nike + iPod Frequently Asked Questions (Technical)

Nike + iPod Frequently Asked Questions (Technical)

This article has been archived and is no longer updated by Apple.
  1. How does the sensor know how fast I am going?
  2. How does the contact time get into my iPod nano?
  3. If it is wireless, does that mean I can sync my iPod nano data and music wirelessly to my PC?
  4. Does it use GPS and does this mean you can track my movements?
  5. Is the Nike + iPod system OK to take through airport security and to wear on a plane?
  6. On what surfaces and in what environments can I use the Nike + iPod Sensor?
  7. How accurately does the Nike + iPod system track my distance?
  8. Does the Nike + iPod system need to be calibrated?
  9. How do I calibrate or recalibrate the Nike + iPod system?
  10. How much does using the Nike + iPod system affect my iPod nano battery playback time?
  11. Is the sensor battery replaceable? How long does it last?
  12. What happens if my friend and I both use the Nike + iPod system on a run together?
  13. Will my run be recorded if I use only the sensor or the receiver?
  14. Can I use Nike + iPod with my iPod Radio Remote?
  15. Can I link my receiver to another sensor?
  16. Where is the serial number located on the Nike + iPod Sport Kit?
  17. Can iPod nano and nikeplus.com synchronize information in both directions? If I buy a new iPod nano, can I use nikeplus.com to put my old workout history onto my new iPod nano?


How does the sensor know how fast I am going?

A sensitive piezoelectric accelerometer monitors your footstrike when you walk or run and determines the amount of time your foot spent on the ground. This contact time is directly related to your pace.

How does the contact time get into my iPod nano?

The sensor sends this information wirelessly to the receiver that is plugged into the iPod nano. The sensor communicates with the receiver via a proprietary low-power 2.4 GHz radio protocol; this is not Bluetooth or Wi-Fi. The Nike + iPod sensor has been engineered and tested to ensure that it does not interfere with Bluetooth, Wi-Fi, cellular, cordless phones, or similar electronic devices.

If it is wireless, does that mean I can sync my iPod nano data and music wirelessly to my PC?

No. The sensor and receiver only wirelessly communicate with one another.

Does it use GPS and does this mean you can track my movements?

No.

Is the Nike + iPod system OK to take through airport security and to wear on a plane?

Yes. Put the sensor to sleep before taking it on an aircraft, to comply with applicable government regulations. Press and hold the Sleep/Wake button for three seconds to put the sensor to sleep.

Either pack your Nike+ shoes with the sensor in sleep mode inside your checked luggage or pass them through the X-ray machine with your carry-on luggage.

Important: Remember to wake the sensor before your next workout. To wake the sensor, use a pen or a paper clip to press the Sleep/Wake button.

On what surfaces and in what environments can I use the Nike + iPod Sensor?

The Nike + iPod Sensor works well on a variety of surfaces: concrete, pavement, track, grass, dirt or bark trail, etc. The sensor has been engineered and tested to ensure that it works well in a full range of environments. It has been designed for active outdoor use, so it can withstand sweat, puddles, and soggy shoes.

Important: Do not use the receiver or iPod nano in or near water or wet locations.

How accurately does the Nike + iPod system track my distance?

The Nike + iPod system measures the distance traveled by most runners and walkers to over a 90 percent degree of accuracy, right out of the box. You can calibrate the system to your stride for increased accuracy.

Does the Nike + iPod system need to be calibrated?

No, but most users will see improved accuracy with calibration.

How do I calibrate or recalibrate the Nike + iPod system?

To learn how to calibrate Nike + iPod system, please read "Nike + iPod: How to calibrate the Nike + iPod Sport Kit" or the Nike + iPod User's Guide.

Ordinarily, the sensor does not require recalibration. You may want to consider recalibrating if your fitness level changes or if you would like to try to improve the accuracy of your results.

How much does using the Nike + iPod system affect my iPod nano battery playback time?

The receiver draws very little power from the iPod nano. The overall impact on the iPod nano battery playback time is less than 5 percent.

Is the sensor battery replaceable? How long does it last?

No, the sensor's battery is not replaceable or rechargeable. The sensor’s battery has a life of over 1000 active hours. The sensor sends a low battery signal when there is around 2 weeks of life remaining (based on usage pattern), indicating that the sensor needs to be replaced. Battery life will vary considerably based on use and other factors.

Most Nike + iPod runners and walkers can just drop the sensor in their Nike+ shoes and forget about it. When inactive, the sensor enters stand-by mode to save battery life.

What happens if my friend and I both use the Nike + iPod system on a run together?

Your sensor and receiver are linked to one another; your friend’s sensor and receiver are linked together. So your data goes to your iPod nano, your friend’s data to his or her iPod nano.

Will my run be recorded if I use only the sensor or the receiver?

No. Nike+ shoes with a sensor and an iPod nano with a receiver are required to record your run or walk.

Can I use Nike + iPod with my iPod Radio Remote?

No. Since the Nike + iPod system requires the receiver to be plugged in, the 30-pin dock connector on the iPod nano is occupied.

Can I link my receiver to another sensor?

Yes, you can link the Nike + iPod Receiver to another Nike + iPod Sensor. To link to another sensor, please see "Nike + iPod: Linking a receiver to another sensor."

Where is the serial number located on the Nike + iPod Sport Kit?

The serial number for the Nike + iPod Sport Kit is located on the back of the Nike + iPod Receiver. See Nike + iPod: Locating the serial number for more information.

The serial number is also located on the label on the Nike + iPod Sport Kit packaging.

Can iPod nano and nikeplus.com synchronize information in both directions? If I buy a new iPod nano, can I use nikeplus.com to put my old workout history onto my new iPod nano?

No, the workout history that iTunes transfers to nikeplus.com is a one-way sync from iPod nano to nikeplus.com. Transferring workout history from another source onto iPod nano so that it appears on iPod nano when you choose Nike+iPod > History is not supported.

Last Modified: Mar 11, 2014
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  • Last Modified: Mar 11, 2014
  • Article: HT2293
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