I have used Tyre as well and it works great. The Tripmaster s/w is a '3rd party' s/w developed by a fellow in France that provides a total screen display of your digital speed, large compass, accelerometer, max speed and average speed, inclinometer, etc. Check it out by searching on Google for Tripmaster. It's free software. I have used it for years on other models of TomTom Rider units but for some reason it seems to have problems running on the latest Rider which uses Navcore 9.5 operating system.