Thanks Martin, I thought I had seen it but it was not coming up in my searches.
Lars

I have read that the lower frequencies are caused by the cars mass and its suspension system.

Hi, I am still learning how to use my new NVH kit sorry if this is too simple of a question. The customer is complaining of a steering wheel vibration, I recently replaced the tires - two of them had high roadforce readings, however the customer is still complaining of a vibration. I noticed a low f...

Thanks! I don't think I read past "square wave".....Makes sense now, thanks again!

Lars

Just got the NVH system and am trying it out on a car without a data link connector- 1992 300TE Mercedes. Will any rpm signal work? - I have two choices on the 9 pin diagnostic connector under the hood, Pin 1 rpm signal 0-12volts, 4 pulses per revolution or pins 7 and 8 are from the crank sensor, I ...