Video: Testing the speedometer of a 911G outside the car

Hi,

the video shows testing of a speedometer with a selfmade electronic circuit. It explains a lot about the function of electronic VDO speedometers:

http://www.youtube.com/watch?v=fRZmqhVUVMc

The video has a German soundtrack, but English subtitles are available. If you don't see them by default, watch the video directly at YouTube and press thesubtitle button below the frame.

Enjoy it,

Jürgen