Wearing the Device
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Wear the device above your wrist bone.
NOTE: The device should be snug but comfortable. For more accurate heart rate readings on the fēnix® 5/5S/5X Plus device, it should not move while running or exercising. For more accurate pulse oximeter readings on the fēnix 5X Plus device, you should remain motionless.
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.
Parent Topic: Wrist-based Heart Rate