About the ‘Log HRV setting’ function on Garmin Fenix 7 x Pro (and others).

I was checking this old thread: forums.garmin.com/.../log-hrv-setting and this one forums.garmin.com/.../log-hrv-setting-under-data-recording and it is not clear to me that the ‘Log HRV’ function is used directly for HRV calculation...

In the users manual it doesn't say anything about it (page 120), I understand that the HRV log is saved during an activity (with the heart rate on the chest).

Let me explain better, is this data to be used with third party software or is it taken into account ‘as standard’ by Garmin via Connect to calculate HRV without the user having to do anything?

Thanks in advance for your answers. Kind regards

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0 Ɛpsilon 11 months ago

Garmin dont seem to do much with the activity HRV, but apps like Runalyze show it and can act on it

+1 Ɛpsilon 11 months ago

Example from runalyze.com

0 5029205 11 months ago in reply to Ɛpsilon

Thanks for your answer, yes, I read that with third party apps that data is used, the question is whether Garmin takes it into account to disable it or not because of the impact on the autonomy and the size of the .fit file. Kind regards!

0 Ɛpsilon 11 months ago in reply to 5029205

I dont think so, considering the setting is buried deep and is off by default

0 Ɛpsilon 11 months ago in reply to Ɛpsilon

But as far as impact of having it on, absolutely negligible. I have switched it on since the fenix 5x days and never noticed any impact on file size or battery