Sorry for spelling your name wrong, Jurgen.
The factory ecu has the sensors with twin core shielded - black wire, white wire and a shield. The black wire appears to be the "signal" wire as the white wire from both the crank sensor and the cam sensor are tied together at the ecu.
This is the way I have wired it. David (Ralf) has just informed me of the switches but I don't remember seeing any mention of dip switches within his manual. I'll look to download a newer version and have a read tonight.
He also said there is a sub-menu regarding the polarity of the triggers which I'll look at as well.
David.