I think you have a Bosch HFM6. The air-mass-information is coded in the frequency and the air-temperature is coded in the duty cycle. I have an Excel-file for a HFM 6, that you can download here . It's in German, but maybe it's helpfull. Luftmasse = Air mass Ansauglufttemperatur = Air temperature Pu...

I like your software very much, but there are some things, which could be (a little bit) better or usefull. There is a little problem, when using the 20:1 attenuator, because the threshold shown in the toolbar is only a 20th of the threshold in the oscilloscope-window. Would be nice, when this probl...