[dvd3500]

Even though ARC PRO is the latest and "greatest" that Scalextic has to offer in the digital world they have been so kind as to not update their website since 2009(ish) and you can find a lot of info about setting up your digital set here:
https://uk.scalextric.com/community/advi...ic-digital
even though that has not been on sale for almost (over?) a decade. :-)

Good luck!
The C7042 (6-car powerbase) can be massively tweaked to do some amazing stuff...