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Why Isn't Heart Rate Working?

First - make sure you removed the protective film off of the back of the device, covering up the Heart Rate sensor window. Second, when you enter Heart Rate Mode, Freestyle Mode, or Coach Mode, if the heart rate lights aren't flashing on the back of the device or if you aren't getting any heart rate data, try holding down the left button until the screen resets and shows the Atlas logo. Heart rate should start working properly after you do this. Otherwise - check out our FAQ on how to properly wear the sensor:

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