• support@fourthfrontier.com
  • After work outs, when I view the graphs for analysis, I always notice a faded grey ish vertical line on the graph and I don’t know what that means? Is this just me or do anyone else see the line?

    By the way, I love the analysis and the details I get from the device. It’s been very helpful to help me train better. Also the shocks alert is…Read More

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    • It’s possible that the data quality of your workouts is poor due to wearing the device incorrectly, or not wetting the strap of the Frontier X2. I’m sorry for the inconvenience. Here is a short video explaining the process of wearing the Frontier X2 correctly, and ensuring good data quality: https://youtu.be/NQYdRyHalyI

      If you don’t have time to…Read More

      • Arm movement & polyester clothing that creates static, causes untidy (noisy) ECG

        • Thanks Mark! I’ve been having some issues with noise at the start of my work out. Part way through … everything is fine. I’m betting that as I start to sweat the static generated from my by shirt and fleece decreases. Time to experiment.

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