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altimeter/barometer recalibrate at night, why? - Forerunner 955 Series - Running/Multisport - Garmin Forums
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Altimeter / Barometer value drops at night - Forerunner 955 Series - Running/Multisport - Garmin Forums
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Steps to Calibrate the Barometric Altimeter on Venu and Vivoactive 4 Series | Garmin Customer Support
![After calibrating the barometer the trending arrow is pointing down 15min after every altimeter calibration - fēnix 5 Plus Series - Outdoor Recreation Archive - Garmin Forums After calibrating the barometer the trending arrow is pointing down 15min after every altimeter calibration - fēnix 5 Plus Series - Outdoor Recreation Archive - Garmin Forums](https://forums.garmin.com/resized-image/__size/960x720/__key/communityserver-discussions-components-files/169/20190818_5F00_113007.jpg)