Yes, it is very easy. You have to change the following values for it:
aktiv or nicht_aktiv (nicht_aktiv means that you see your real speed)
After that you see your speed in the little display in form of V=40.
What you need for coding is a cable like that http://cgi.ebay.ca/ws/eBayISAPI.dll?...m=150572031912
and NCS Expert.