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    Aerobic Decoupling

    Scheduled Pinned Locked Moved SuuntoPlus™ Sports Apps
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    • S Offline
      snow*
      last edited by snow*

      I’ve started using S+ AD a lot again recently. Unfortunately, it always shows 0% during training, and the same goes for the final and maximum values in SA. Is anyone else having the same problem (Suunto Race S + Polar H10)?

      Thanks.

      Edit: resetting the device to factory settings finally fixed the issue 😕

      Edit: it happened again, but when I tried using a different heart rate monitor, it started working again. For some reason, at this point I suspect the problem might be the H10 (which is now 9 years old or so).

      Race S Titanium
      SA on Android 17

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      • S Offline
        snow* @snow*
        last edited by snow*

        Hello,

        I have a question about the S+ aerobic decoupling. Suunto excludes the first 10 minutes and uses the following 10 minutes for calibration. During the run AD values ranged from 3% to 8%. At the end, the calculated AD was 16%. I’ve tried doing the same calculation myself and got the following results:

        entire interval:
        Pw:Hr 8.49%
        Pa:Hr 8.37%

        excluding the warm-up (10 minutes):
        Pw:Hr 4.35%
        Pa:Hr 4.45%

        Pa:Hr -> EF (Efficiency Factor) = average speed (m/s) / average heart rate (bpm)
        Pw:Hr -> EF_power = average power (Watts) / average heart rate (bpm)

        % AD = (EF_1st_half − EF_2nd_half) / EF_1st_half × 100

        In both cases AD is far from 16%. Some hint?

        Race S Titanium
        SA on Android 17

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