6.3TROUBLESHOOTING THE OPTIONAL POLAR® TELEMETRY HEART RATE CHEST STRAP
Malfunction | Probable Cause | Corrective Action |
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| Use of personal electronic |
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| devices, such as cell phones |
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| and portable MP3 players, |
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| causes external noise |
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Heart rate reading is initially | interference. | Remove the source of noise |
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detected and functioning | Equipment is in close proximity | or reposition the exercise |
normally but then is lost. | to other sources of noise such | equipment. |
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| as audio/ video equipment, |
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| fans, two way radios, and high |
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| voltage/high current power |
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| lines. |
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| Television sets and/or |
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| antennas generate electro- |
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| magnetic interference. |
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| Cell phones generate |
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| electromagnetic interference. |
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| Computers generate |
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| electromagnetic interference. | Move the |
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| inches away from the probable |
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Heart rate readings are | Cars generate electromagnetic | cause, or move the probable |
cause a few inches away from | ||
abnormally elevated. | interference. | the |
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| heart rate readings are accu- |
| High voltage power lines | |
| rate. | |
| generate electromagnetic |
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| interference. |
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| Motor driven exercise |
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| equipment generates electro- |
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| magnetic interference. |
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| Another heart rate transmitter |
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| within 3 feet (1 meter) |
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| generates electromagnetic |
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| interference. |
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