Hold Start then press Key 1, Effector 1, Key 2, Key 3, Key 4, Key 5at the song difficulty selection screen. A sound will confirmcorrect code entry.
The Key layout used by the following codes are as follows:
      Key 2     Key 4Key 1     Key 3     Key 5At title screen
Hold Pedal, then move the scratch disc ten times at the title screen.
Note: - The code will lose its effect after the song is over. If you want it on for your next song, enter it again before selecting your song. This only applies for Normal Street Mix and E. Normal 7 Street Mix. - If you entered it in Hard Radio Mix, Professional Club Mix or Mania Space Mix, the code will remain on until you've finished. - This code works for all modes except Light Ruby Mix