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This Heart Rate Monitor will pair with the the vivoactive HR. The vivoactive HR will display heart rate from the strap when it is connected. If the strap is not connected then the heart rate comes from the the optical heart rate sensor.
Sorry, there was a problem. Please try again later.With the Vivoactive 3, I connect the watch to the strap through Settings>Accessories. Then when I start an activity, the watch displays a message that the external device (strap) output is being displayed.
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