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I am having problems with my altimeter, its always on and it displays an inaccurate, i always re calibrate using the GPS.After a while it gives me a wrong reading again .I sometime get negative altitude levels..

Former Member
Former Member over 5 years ago

Please help

  • 0 over 5 years ago in reply to AllanOlesen67

    I think he means that the elevation at the start and end of the activity are both wrong, but far apart from each other.

  • Former Member
    0 Former Member over 5 years ago in reply to AllanOlesen67

    Hi Allan ,thank you for taking time for this altitude issue. My phone is connected to my Garmin and last night i calibrated with dem and the reading was 52m and this morning when i woke up it was 157m! This morning i went for a jog and i waited for the green and it looks ok since this morning after my run that i have a normal reading for the altitude.What i mean is that it hasnt given me erroneous reading like before .

    i will try again for the over night reading and post it in the forum.

    thanking you 

    kindest regards

  • 0 over 5 years ago in reply to AllanOlesen67

    Sorry, my bad! I mean mean far from right.

  • 0 over 5 years ago in reply to SAHO

    Yes, exactly what i meant. Thanks.

  • 0 over 5 years ago in reply to RunR
    RunR said:
    What came into my mind is that in the mentioned cities the guy is obviously in air conditioned hotels. There the pressure can be different from outside and the temperature shock when going outside also disturbes the altimeter

    The error from pressure differences inside buildings is very overrated.

    As little as 1 millibar of difference between the two sides of a door will cause a noticeable force on the door when you open it, and you will also hear the air swooshing through the door.

    So unless the hotel is equipped with airlocks like a spaceship, I don't believe that there are pressure differences large enough to cause more than 10 meter of error.

    The temperature dependency is another story. If the altimeter works correctly, there will not be a temperature dependency. I know that the 935 and the old Fenix 5 had a temperature dependent error, but I have not been able to provoke this error on my 5X+.

  • 0 over 4 years ago

    I agree with this being a clear Garmin fault. Air pressure changes all the time. Most of the time it is not a drastic change and if so, the Garmin watches can have a storm alert feature.

    So, why can't the altitude be more dependent on GPS location? If I am in known location - ie home - which I am regularly at and has an altitude that never changes why can't there at least be an automatic reset. Relying so heavily on air pressure is ridiculous, especially if you are going to have a storm warning function.

  • 0 over 4 years ago

    I agree with this being a clear Garmin fault. Air pressure changes all the time. Most of the time it is not a drastic change and if so, the Garmin watches can have a storm alert feature.

    So, why can't the altitude be more dependent on GPS location? If I am in known location - ie home - which I am regularly at and has an altitude that never changes why can't there at least be an automatic reset. Relying so heavily on air pressure is ridiculous, especially if you are going to have a storm warning function.