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E N G L I S H
Service
During the
Changing Batteries
To change the batteries of the training computer or transmitter yourself, carefully follow the instructions in the user manual. All batteries are changed the same way.
If you would prefer Polar to replace the battery, contact an authorized Polar Service Center. The Service will test the sensor after replacing the battery.
Excessive use of the backlight drains the training computer’s battery more rapidly. In cold conditions, the low battery indicator may appear, and disappear again when you return to a warmer environment. To ensure the maximum lifespan of the battery cover, open it only when changing battery. When changing the battery, make sure the sealing ring is not damaged, in which case you should replace it with a new one. Battery kits with sealing rings are available at
Keep batteries away from children. If swallowed, contact a doctor immediately. Batteries should be properly disposed of according to local regulations.
18 Customer Service Information