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motor driven exercise equipment, cellular phones or when
you walk through electric security gates.
CROSSTALK
The non-coded Polar wrist receiver picks up transmitter
signals within 1 metre/3 feet. Therefore, make sure no
other transmitter is within that range. Signals from more
than one transmitter picked up simultaneously can cause
an incorrect readout.
EXERCISE EQUIPMENT
Several pieces of exercise equipment with electronic or
electrical components such as LED displays, motors and
electrical brakes may cause interfering stray signals. To try
to tackle these problems, relocate the Polar wrist receiver
as follows:
1. Remove the transmitter from your chest and use the
exercise equipment as you would normally.
2. Move the receiver around until you find an area in which
it displays no stray reading or flashing of the heart
symbol. Interference is often worst right 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 transmitter back on the chest and keep the wrist
receiver in this interference-free area as far as it is
possible.
4. If the Polar Heart Rate Monitor still does not work with
the exercise equipment, this piece of equipment may be
electrically too noisy for wireless heart rate
measurement.
Notice for persons with pacemakers, defibrillator or
other implanted electronic device
Persons who have a pacemaker use the Polar Heart Rate
Monitor at their own risk. Before starting use, we always
recommend an exercise test under doctor’s supervision. The
test is to ensure the safety and reliability of the
simultaneous use of the pacemaker and the heart rate
monitor.
WHAT SHOULD I DO IF...
... OWNZONE DETERMINATION ONLY SELDOM GIVES
ME HEART RATE LIMITS WHICH ARE BASED ON HEART
RATE VARIABILITY (O.Z.V)?
1. Check that the elastic strap is snug enough.
2. Make sure that the electrodes of the transmitter are
moistened against your skin.
3. Put on the transmitter 15-20 minutes prior to the start
of your exercise to ensure good adaptation between
the electrodes and your skin.
4. Start the first stage of determining your OwnZone
sufficiently slowly. If you obtain the heart rate limits
based on age within the first 2 minutes you have
raised your heart rate too quickly. The heart rate
reading should not rise over 20 beats/minute from the
starting level. During the first stage you can, for
example, put on your sports clothing.
5. If you reach the OwnZone limits based on age (O.Z.A)
or the previously determined OwnZone limits based
on your heart rate variability (O.Z.L) only after 10
minutes from starting specification you have not
raised your heart rate sufficiently rapidly. Raise your
heart rate more quickly during the OwnZone
determination.
6. If you have always used walking and running to
determine your OwnZone, walking uphill, cycling or
using an ergometer may work better for you.
7. Stress or heavy mental loading may reduce your heart
rate variability so that the needed point where the
heart rate variability vanishes cannot be measured.
Relax for 5 - 10 minutes before OwnZone
determination by sitting down and decreasing your
heart rate.
FREQUENTLY ASKED
QUESTIONS
m71ti manual GBR/B 16.1.2001, 11:0136-37