POLAR M22 - Manual (Page 51)

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new exercise periods into its memory, even thought the
user information is changed. Cumulative exercise
information can not be returned after resetting.
In models M51 and M52 you can set two users’ preferences
in the memory. Select the correct user in
the beginning of an exercise.
... THERE IS NO HEART RATE READING (- -)?
1. Check that the electrodes of the transmitter are
moistened and that you are wearing it as instructed.
2. Check that you have kept the transmitter clean.
Care and maintenance.
3. Check that there are no sources of electromagnetic
radiation in the close vicinity of the Polar wrist receiver,
such as TV sets, mobile phones, CRT monitors etc.
Precautions.
4. Have you had a cardiac event which may have altered
your EKG waveform? In this case consult your physician.
...HEART SYMBOL FLASHES IRREGULARLY?
1. Check that your Polar wrist receiver is inside the
transmission range and not further that 3 feet/1 meter
from the Polar Transmitter you are wearing.
2. Check that the elastic strap has not become loose during
exercise.
3. Make sure that the electrodes of the transmitter are
moistened.
4. Make sure that there is no other heart rate transmitter
within the reception range (3 feet/1 meter).
Precautions/Crosstalk.
5. Cardiac arrythmia may cause irregular readings. In this
case consult your physician.
... HEART RATE READING BECOMES ERRATIC OR
EXTREMELY HIGH?
You may have come within range of strong
electromagnetic signals which cause erratic readings on the
wrist receiver display. Check your surroundings and move
further away from the source of disturbance.
Precautions