Wearing the Device

  • Wear the device above your wrist bone.
    NOTE: The device should be snug but comfortable. For more accurate heart rate readings, the device should not move while running or exercising. For pulse oximeter readings, you should remain motionless.

    Device on the wrist
    NOTE: The optical sensor is located on the back of the device.
  • See Tips for Erratic Heart Rate Data for more information about wrist-based heart rate.
  • See Tips for Erratic Pulse Oximeter Data for more information about the pulse oximeter sensor.
  • For more information about accuracy, go to garmin.com/ataccuracy.
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