Adjust the altitude / Elevation / Altimeter for iGS50E Follow
How does iGS50E calculate elevation /Altitude ?
iGS50E primarily calculates elevation data from a barometric altimeter which measures air pressure.
While air pressure typically provides very accurate elevation measurements, it remains subject to factors like seasons, temperature, humidity, climate and wind speed at different time.
So it’s common that the absolute altitude values are different.
The relative values as well as the total ascent, total descent and gradient values of the pneumatic altimeter are accurate, which are more helpful for riding.
As with all barometric altimeters, environment changes can cause elevation readings to "drift," even when stationary or riding at on a level path.
To counter environmental elevation drift, barometric altimeters require regular adjustment.
And you can adjust the altitude manually in iGS618, iGS620 and iGS50E.
Steps to adjust the alitude for iGS50E?
Steps: Download the firmware to V1.07 from the link:
After upgraded, you can set the elevation in the E5 mode.
And you need to set the value everytime the device was turned on.
Why doesn’t iGS50E primarily use GPS to calculate elevation?
GPS elevation is often unreliable due to GPS satellite positioning and coverage.
In testing, we found GPS elevation inaccuracies in hundreds of meters.
Because of this, consistent and accurate elevation data is best achieved using GPS-adjusted barometric altimeter data.
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