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STORING
M450: Keep your training device in a cool and dry place. Do not keep it in a damp environment, in non-
breathable material (a plastic bag or a sports bag) nor with conductive material (a wet towel). Do not
expose the training device to direct sunlight for extended periods, such as by leaving it in a car or
mounted on the bike mount. It is recommended to store the training device partially or fully charged.
The battery slowly loses its charge when it is stored. If you are going to store the training device for
several months, it is recommended to recharge it after a few months. This will prolong the battery
lifetime.
Heart rate sensor: Dry and store the heart rate sensor strap and the connector separately to maximize
the battery lifetime. Keep the heart rate sensor in a cool and dry place. To prevent snap oxidation, do
not store the heart rate sensor wet in non-breathing material, such as a sports bag. Do not expose the
heart rate sensor to direct sunlight for extended periods.
SERVICE
During the two-year guarantee/warranty period we recommend that you have service done by an
authorized Polar Service Center only. The warranty does not cover damage or consequential damage
caused by service not authorized by Polar Electro. For further information, see Limited International
Polar Guarantee.
For contact information and all Polar Service Center addresses, visit
www.polar.com/support
and
country-specific websites.
The username for your Polar Account is always your email address. The same username and password
are valid for Polar product registration, Polar Flow web service and app, Polar discussion forum and
newsletter registration.
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