Heart rate is wrong in 2km first!

[hieus]

@jw-cou I tried as your idea but the first 2km heart rate was still wrong

[jw cou]

@hieus I’ve no other option to suggest, sorry

[Mff73]

@hieus
I have not read all advices you got, but eventually try to wear your watch on the other wrist. Maybe blood flows are better.

[hieus]

@Mff73 This afternoon, I wore a watch on my right wrist and the problem was solved.
Thank you all!