Sony CDX-CA710X CD Player "jensen vm9512 code" Questions

JENSEN VM9512 NOT WORKING? I have a new JENSEN VM9512 and its not working. After the installation in my car I started it with SRC power on button but the music is not playing. The screen comes out by ...

...jensen vm9512 and the nav102 unit. the nav system is asking for an activation code and says that the licence key is invalid how do i fix this? I had the same problem and a very hard time finding any ...