alti-baro automatically records changes in altitude or sea level air pressure for the last 7 days. Information will be stored depending on which profile is active at the moment of the recording. Records are stored every 30 minutes.
To view the records of the last 7 days:
You are camping in the mountains. You want to predict tomorrow’s weather, so you switch your to the Barometer profile for the night. In the morning you check the alti-baro memory and note that the air pressure remained stable for the whole night. Hopefully this will continue during the day.