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
51