Hey Turby, thanks for your reply! So you log RPM through a 12 volt analogue input? What signal does the RPM input need that it works with the M400? What can I do with the square signal, can I watch it directly in the graph as a RPM line or do I have to calculate it first? Best regards, hope you answ...

Hello guys! I've got the following problem: From the auxiliary output of the M400 I can get a "tacho signal" and I connected it to the RPM input of DL1. I started the engine and started logging. The GPS and accelerometer signal was working but in RPM I only had the "standard" 500...