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Altimeter sensor mode Auto is no longer working properly

riceck
over 3 years ago

After the recent update the altimeter in sensor mode Auto in my Fenix 6 Pro (20.00RC) is no longer working properly. When I drive in the car downtown (approx. 100 m of descent) it is no longer recognized as change of altitude.

However, when I drive up it is recognized. So every time I drive to the city my altimeter is off 100m. 

This behavior is new. In the past this was never an issue. But seems to be introduced with the latest betas.

Does anyone have the same behavior?

  • 0 over 3 years ago in reply to AndersB

    Need to take the last post back. Went outside to remove ice on the car, and boom, altimeter went up 13 meters even though I was on the same altitude (within 1 meter) all the time. Otherwise it have been rather stable all day.

  • 0 over 3 years ago

    Maybe this is what they tried to fix in 20.00: I installed 19.21 again, and the altimeter does a really good job. Stable as can be. However, I just came back from a run on 100% flat ground in horrible rainy weather with high winds, and saw 50 'floors climbed'. It's not a statistic I use, but maybe lots of people were not happy with this. Is floors counting better in 20.00? I didn't pay attention to it myself.

  • 0 over 3 years ago in reply to Bit

    I think a lot of the problem is down to inability to correctly separate weather change from altitude change. For me the biggest mess has been when there have been large swings in the barometer, but the watch decides that altitude should take a hit. When the barometer is stable the altitude seems to behave itself. Today my altitude has tracked very well from 44m to 105m and back again. Since returning home it has remained stable for the past five hours, no drift. It was also good overnight, last night, from setting altitude when I went to bed, through to this morning.

    So basically it looks like the automatic determination of change due to altitude vs change due to weather is completely broken. I don't know if temperature fluctuations are also adding to the confusion, with heated homes and cars and cold outdoor air, at least in the northern hemisphere outside the tropics.