have uploaded translated manuals for similar "MRZ" or "HRZ" series units that share similar menu structures. Firmware Hacks
Touch (Equalizer) to choose presets like Super Bass, Powerful, or to configure your own custom curve. Using the Music Server (HDD Recording) Pioneer Carrozzeria Avic-hrz099 English Manual
Overview
Note : On many Carrozzeria units from this era, switching to English only translates specific playback menus (like CD/MP3 titles), while navigation and system settings remain in Japanese. Using Google Lens as a "Live" English Manual have uploaded translated manuals for similar "MRZ" or