: While some users attempt unofficial English firmware modifications, these are not supported by Pioneer Support and may risk bricking your device. Common Operations Support | Pioneer Electronics
The screen is likely flooded with Kanji and Kana, and pressing buttons seems to lead to more confusion. You are probably searching for an "English manual" to make it work. Here is the reality of the situation and a practical guide to getting your system up and running. pioneer carrozzeria aviczh0007 english manual work