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Suunto Smart Heart Rate Belt User Guide


The Suunto Smart Heart Rate Belt uses a 3-Volt lithium cell (CR 2025).

To replace the battery:

  1. Remove the Suunto Smart Sensor module from the chest strap.
  2. Open the battery cover.
  3. Replace the battery.
  4. Firmly close the battery cover.

replacing smartsensor battery Smart Sensor

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