Ab Bm 7z 002 -

(e.g., a specific firmware version or internal part) Music Theory? (e.g., a chord progression or track ID)

If you have a of what this code represents, I can dive back in and build that feature list for you. Ab Bm 7z 002

Could you tell me this code belongs to?

The code does not appear to be a standard consumer product or a widely recognized technical model number in public databases. Ab Bm 7z 002