I purchased a Venu 2 and had it out for a run for the first time. The heart rate data is utter nonsense. It only recorded about 10 seconds, and the data is completely incorrect. It showed my average rate as 60 bpm, and highest rate being 80 bpm. Previous to the Venu, I had a Vivoactive 3, which was pretty consistent with the hear rate data - average 140 bpm, maximum around 170 bpm.
Has any one else had this issue? I've particular hear issues and I need my fitness watch to be accurate. Any tips on resolution would be welcomed before I return it.