Audio Pre-Trigger TimeThis determines the amount of audio recording that is stored prior to the time when theStart button was pressed.Audio Post-Trigger TimeThis determines the amount of audio recording that is stored after the Stop button hasbeen pressed.Max Audio DurationThis determines the maximum duration of a single audio recording and can be used toreduce the amount of audio stored when the unit is deployed for long periods.NNR-P-Ax User Manual v1.0.0 15