Hello I have an Avic-F220 and AVH-P3200BT and have the problem that the navigation is too silent when I hear music, so my question is there a possibility that if one is quieter announcement comes on the navi music.

I've also tried it but the same igo8.3 only quieter

you can do this: 

download testmode from here: http://www23.zippyshare.com/v/66494890/file.html  or here:  http://www.share-online.biz/dl/OTO5X31NAD

here is the garminmobilext fully working

or here: part1

so guys our unit runs also with 64gb and 128gb sdcards here's a vid: