ha everybody i have pioneer avic-n4 in my car with all the options, now i wanted to install tv tuner GEX-P7000tv i got the unit and it has ip-bus which i can connect to my system, but it also has other cable (RGB cable) which i have no idea where to connect... will it work just wuth ip-bus? can anybody give me any advice how to make this unit work with my head unit? thank you. Alex