Add a record attribute for calibration method that set the gain value:
None
ManualSettings (set by user in settings)
Calibrator (with 94dB 1khz calibrator)
Reference value
Automatic Calibration with calibrated smartphone
Automatic Calibration with traffic
Add a record attribute for calibration method that set the gain value:
None ManualSettings (set by user in settings) Calibrator (with 94dB 1khz calibrator) Reference value Automatic Calibration with calibrated smartphone Automatic Calibration with traffic