Merge activity file into existing activity
If you record an activity with different devices, usually only one activity is imported. All subsequent notifications for an activity at the same time are automatically detected as duplicates and not imported. There is no automatic merging of the data.
But if the second device records additional data that is interesting for you, you can add this data to the activity later - for example if you record the RR data additionally with HRVLogger or similar. To add an activity later, select "Merge file into activity" in the edit dropdown (wrench icon).
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