General settings

is used to choose between Detailed calibration and Total calibration. These will be discussed below.

should be checked if you are having a transducer (e.g. a microphone) connected to the input. It makes sure the units are correctly set and allows you to specify the transducer sensitivity if Detailed calibration is selected.

choose the unit of your transducer. If you are using a microphone, select Pres [Pa].