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Wearing the Device and Heart Rate

  • Wear the fēnix® 3 device above your wrist bone.
    NOTE: The device should be snug but comfortable, and it should not move while running or exercising.

    Line drawing of the device being worn
    NOTE: The heart rate sensor is located on the back of the device.
  • See Tips for Erratic Heart Rate Data for more information about wrist-based heart rate.
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