The radio is working indeed. So there must be I-Bus connection.
The cable comes from Kufatech (Germany) Their website is
www.kufatech.de.
The complete cable was € 265,- (TV-module cable included, and you can choose which radiomodul you have, BM24 of BM54)
I know it's al lot of money, but it saves you a lot of work, normally......
Do you know what the signal has to be on the I-bus connection to start the system?
I tell you why. We want to let the system work, without it is fitted in a car. I have the feeling that it is possible, but how........