I do not know if it is appropriate here, but if you can help where I should clarify my doubts, thank you. Hello, I'm Portuguese, I have my X7770BT in my car, so far 5 *, but I bought the AVIC F220 navigation system, but that's it ... I've already reset, I've already seen the video settings on the radio, keep everything the same, someone Do you know what to do?