: Look for the Japanese characters 設定 (Settings) or システム (System) on the touchscreen.
Eclipse AVN669HD is a high-performance in-car navigation and multimedia system primarily designed for the Japanese domestic market (JDM). Because it was built for use in Japan, changing the display language to English can be a challenge, as many units do not have a built-in English menu option. JustAnswer How to Attempt a Language Change Eclipse Avn669hd Change Language