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