![Altimeter auto-calibrates itself during activity although set to Start-Only - fēnix 5 Plus series - Wearables - Garmin Forums Altimeter auto-calibrates itself during activity although set to Start-Only - fēnix 5 Plus series - Wearables - Garmin Forums](https://forums.garmin.com/resized-image/__size/960x720/__key/communityserver-discussions-components-files/169/IMG_5F00_20190604_5F00_143738.jpg)
Altimeter auto-calibrates itself during activity although set to Start-Only - fēnix 5 Plus series - Wearables - Garmin Forums
![Steps to Calibrate the Barometric Altimeter on the vivoactive 3 Series Watch | Garmin Customer Support Steps to Calibrate the Barometric Altimeter on the vivoactive 3 Series Watch | Garmin Customer Support](https://atlaske-content.garmin.com//asset/images/vva3_baro_port_hole_Time1528394283819.png)
Steps to Calibrate the Barometric Altimeter on the vivoactive 3 Series Watch | Garmin Customer Support
![Altimeter auto-calibrates itself during activity although set to Start-Only - fēnix 5 Plus series - Wearables - Garmin Forums Altimeter auto-calibrates itself during activity although set to Start-Only - fēnix 5 Plus series - Wearables - Garmin Forums](https://forums.garmin.com/resized-image/__size/960x720/__key/communityserver-discussions-components-files/169/IMG_5F00_20190604_5F00_143728.jpg)
Altimeter auto-calibrates itself during activity although set to Start-Only - fēnix 5 Plus series - Wearables - Garmin Forums
Steps to Calibrate the Barometric Altimeter on the vivoactive 3 Series Watch | Garmin Customer Support
![After calibrating the barometer the trending arrow is pointing down 15min after every altimeter calibration - fēnix 5 Plus series - Wearables - Garmin Forums After calibrating the barometer the trending arrow is pointing down 15min after every altimeter calibration - fēnix 5 Plus series - Wearables - Garmin Forums](https://forums.garmin.com/resized-image/__size/960x720/__key/communityserver-discussions-components-files/169/20190818_5F00_113007.jpg)