If you have questions about specific, non-functional menu items, could you take a picture of the screen with and tell me what the translated options say? I can then tell you which button to press!
Look for the icon containing speaker waves to toggle the to English. The Ultimate Fix: Aftermarket Head Unit Replacement Eclipse Avn669hd Change Language
Inside the System menu:
Once you're in the settings menu, navigate to the "Language" or "Language Settings" option. This may be located under a sub-menu, such as "Display Settings" or "System Settings". Select the "Language" option to access the language settings. If you have questions about specific, non-functional menu
Even if you cannot change the system language, you can still use many of the unit’s core functions with the help of a few practical techniques. The Ultimate Fix: Aftermarket Head Unit Replacement Inside