POLAR M21 User Manual
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Congratulations on purchasing a Polar Heart Rate Monitor.
We are proud to assist you in achieving your personal
fitness goals.
This guide will provide you with the basic information on
how to exercise with your Polar Heart Rate Monitor and
how to get the maximum benefit from its functions.
To ensure the continuous improvement of Polar products,
please complete and mail the enclosed Customer
Registration Card within two weeks of the date of purchase.
Thank you for
choosing Polar.
V I S U A L C U E S T O R E A D T H I S G U I D E
Indicates important issues. Please, pay attention!
Indicates a useful tip. It is good to know these
things.
Indicates a tip to do things faster.
See also.
Text with colored background indicates features only
available in models M51 and M52.
I M P O R T A N T T O R E M E M B E R !
• Adjust the strap length snug enough and wet the Polar
transmitter electrodes to ensure flawless heart rate
measurement.
• Do not bend or stretch the transmitter.
• Do not operate the buttons of the wrist receiver under
water.
• Wash and dry your transmitter regularly after use; never
store it wet.
• Keep the Polar Heart Rate Monitor out of extreme cold
and heat.
• Do not expose the Polar Heart Rate Monitor to direct
sunlight for extended periods.
M52 man USA GBR A 2001
10/12/01, 12:46
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