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Make sure the tracker is in contact with your skin.
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Don't wear your tracker too tight; a tight wristband restricts blood flow,
potentially affecting the heart-rate signal. The tracker should be slightly
tighter (snug but not constricting) during exercise.
l
With high-intensity interval training or other activities where your wrist is
moving vigorously and non-rhythmically, the movement may limit the
sensor's ability to provide a heart-rate reading. If your tracker doesn't show a
heart-rate reading, try relaxing your wrist and staying still briefly.
Handedness
For greater accuracy, you must specify whether you wear Inspire HR on your
dominant or non-dominant hand. Your dominant hand is the one you use for writing
and eating. To start, the Wrist setting is set to non-dominant. If you wear Inspire HR
on your dominant hand, change the Wrist setting in the Fitbit app.
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