Precautions; Interference During Exercise - Polar Electro RS800CX Getting Started Manual

Precautions

Interference During Exercise

Electromagnetic Interference and Exercise Equipment.
Disturbance may occur near microware ovens and
computers. Also WLAN base stations may cause
interference when exercising with RS800CX. To avoid
erratic reading or misbehaviors, move away from possible
sources of disturbance.
Exercise equipment with electronic or electrical
components such as LED displays, motors and electrical
brakes may cause interfering stray signals. To solve these
problems, try the following:
1. Remove the heart rate sensor from your chest and use
the exercise equipment as you would normally.
2. Move the training computer around until you find an
area in which it displays no stray reading or does not
flash the heart symbol. Interference is often worst
directly in front of the display panel of the equipment,
while the left or right side of the display is relatively
free of disturbance.
3. Put the heart rate sensor back on your chest and keep
the training computer in this interference-free area as
much as possible.
If the training computer still does not work with the
exercise equipment, it may be electrically too noisy for
wireless heart rate measurement.
Using RS800CX Training Computer in Water. The training
computer is water resistant. However, heart rate
measurement does not work in water. You can use the
training computer under water as a watch but it is not a
diving instrument. To maintain water resistance, do not
press the buttons of the training computer under water.
Using the training computer in excessive rainfall may also
cause interference.
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