• support@fourthfrontier.com
  • Is it typical to see some orange heart rhythm when recording a run? Or is it the case that it ought to be 100% normal sinus rhythm, unless there is a problem?

    2 Comments
    • I’ve just got my X2 device in the post today and have tested it out with a 45 mins walk to make sure i know how it works etc. I was wondering the same thing about how does it alert to “other” rhythm and from the website, on the dashboard there is a pie chart that shows percentage of normal and other. For my walk it was all blue. I also read that…Read More

      • Just did a Sculpt class which is a mix of hot yoga and 2kg hand weights…..99.5% normal 0.5% not normal…..I’m guessin the not normal might have been me moving and chest strap moving. Going to have a good look on web interface later …hope that helps mate

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