Commnands: 

SHIFT-A    Save picture (disk)
SHIFT-;    Load picture (disk)
SHIFT-H    Delete picture (disk)
SHIFT-F    Drive select (0-3)
SHIFT-L    Load picture (cassette)
SHIFT-S    Save picture (cassette)

*          G*C
2          G2C
3          G3C
6          G6C