For all you Dualsky speedo owners make sure you have the latest PC software installed (version 3.1.0) it should allow you to backdate your speedo firmware as well as update it, just in case you prefer the older version on your car.
http://www.dualsky.com/pic/product/13121165852.rar
The above link should direct you straight to the file
Thanks to Mark Christopher for the information.