Tighten the strap so that the device is firmly against your skin. The device should not feel to be moving when moving your hand. However, it should still feel comfortable to wear. A loosely attached device may lead to unreliable heart rate measurement.
How tight the strap should be? Print
Created by: Johanna Tuominen
Modified on: Fri, 7 Nov, 2014 at 2:36 PM
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