Have you followed the setup instructions on the same site (
http://www.customelectronics.co.uk/) ? What results do you get in the FMS calibration screen ?
Steve
BTW you may also want to try the FMS forums where the real experts hang out. I know Mike posts there from time to time. Try
http://cgi.ethz.ch/~mmoeller/cgi-bin.../ikonboard.cgi