In the integration guide we released with generic release package, such parameters are explained on Page 7:
The history BSEC considers for the automatic background calibration of the IAQ in days. That means changes
in this time period will influence the IAQ value.
· 4days, means BSEC will consider the last 4 days of operation for the automatic background calibration.
· 28days, means BSEC will consider the last 28 days of operation for the automatic background calibration.
How to understand background calibration?