2.3Troubleshooting the Optional Polar® Telemetry Heart Rate Chest Strap
Heart Rate Reading Is Initially Detected then Lost or Abnormally Elevated
Malfunction | Probable Cause | Corrective Action |
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| Use of personal electronic |
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| devces, such as cell phones |
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| and portable MP3 players, caus- |
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| es external noise interference. |
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Heart rate reading is initially |
| Remove the source of noise or |
detected and functioning nor- |
| reposition the exercise |
mally but then is lost. | Equipement is in close proximity | equipment. |
| to other sources of noise such |
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| as audio/ video equipment, |
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| fans, two way radios, and high |
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| voltage/highcurrent power lines. |
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| Television sets and/or |
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| antennas generate electromag- |
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| netic interference. |
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| Cell phones generate electro- |
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| magnetic interference. |
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| Computers generate electro- |
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| magnetic interference. |
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| Move the treadmill a few inches |
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| away from the probable cause, |
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Heart rate readings are | Cars generate electromagnetic | or move the probable cause a |
abnormally elevated. | interference. | few inches away from the tread- |
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| mill, until the heart rate readings |
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| are accurate. |
| High voltage power lines gener- | |
| ate electromagnetic interfer- |
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| ence. |
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| Motor driven exercise equip- |
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| ment generates electromagnetic |
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| interference. |
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| Another heart rate transmitter |
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| within three feet (one meter) |
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| generates electromagnetic inter- |
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| ference. |
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