This menu is known about in the PAL region of the game, and is enabled by a button sequence.
(While paused hold L2 and press Triangle, Circle, Triangle, Circle, Circle, Triangle, Left, Circle, Up, Down, Right, Circle, Left, Left, Triangle, Right, Circle, Left, Left, Triangle, Circle, Down, Circle, Circle and Right)
Here is a GameShark / ActionReplay / CodeBreaker code to enable the options for the USA release.
Debug Options (USA)
USA + 38 in hex = PAL UK
Debug Options (PAL UK)