Hey.
I bought a car and there the radio in Japanese Pioneer carrozzeria AVIC-RZ05 read your correspondence with people, tried to repeat but failed I can not copy files there is no such function and did not find USER and PF090JPJPN.LNG
Found similar:
9. File Maintenance / NAND / NX293 / PRG0, PRG1 / APL / Resource / LANGDATA /
Help please translate into English