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What should I do if...
...I don’t know where I am in the Options or File cycle?
Press and hold the stop button until time of day is displayed.
...I cannot find the previous exercise’s file?
You may have used the Heart rate measuring mode during your
exercise, which means that your exercise was not stored. To
record the exercise you have to turn the stopwatch on by
pressing the OK button in the Measure mode.
...there is no heart rate reading (- -)?
1. Bring the wrist receiver up to your chest near the transmitter’s
Polar logo. The receiver starts looking for the heart rate signal
again.
2. Check that the electrodes of the transmitter are moistened
and that you are wearing it as instructed.
3. Check that you have kept the transmitter clean.
4. Check that you are not near other people that have heart rate
monitors, high voltage power lines, televisions, mobile phones
or other sources of electromagnetic disturbance.
5. 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 the wrist receiver is not further than 3 feet/ 1
meter from the transmitter.
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
3 feet/ 1 meter.
5. Cardiac arrhythmia 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. Check your surroundings and
move further away from the source of disturbance.
...the display is blank or fading?
If the display is blank, activate the wrist receiver by pressing the
OK button twice, after which the Time of Day display appears. If
the display is fading, have the batteries checked.
...there are no reactions to any buttons?
Reset the Polar heart rate monitor. Resetting clears watch settings
which will return to the default settings.
1. Press the RESET button with a pen tip. Display becomes full of
digits. If you don’t press any button after reset within one
minute the wrist receiver returns to the Time of Day display.
2. Press any of the buttons once. Time of day is displayed.
...the battery of the wrist receiver must be replaced?
We recommend having all service done by an authorized Polar
Service Center. This is especially necessary to ensure the guarantee
remains valid and is not affected by incorrect repair procedures
done by an unauthorized agent. Polar Service will test your wrist
receiver for water resistance after battery replacement and make
a full periodic check of the complete Polar heart rate monitor.
...the speed reading is 00 or there is no speed reading on
the display while cycling?
1. Check the correct position and distance of the speed sensor
with the spoke magnet.
2. Check that you have set bike functions on.
...the S150 wrist receiver displays speed and distance
readings when I am using it in my wrist?
Turn the speed measurement off. This prevents the receiver from
recording incorrect speed signals which may occur due to
moisture in your skin.
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FREQUENTLY ASKED
QUESTIONS
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manual S120 150 USA GBR B 18/7/02, 15:5740-41