fx-CG f-key files

An fx-CG f-key file is a data file containing images for function keys (abbreviated f-keys) for internationalization, for fx-CG and derivatives. It can be identified using the G3N extension, and uses the CASIO container with subtype Ly755   \x2C\0\x01\0\x01\0 and 0x02 type in the subheader; see By CASIO container subtype for more information.

Todo

Describe this format.