Nakamichi SoundSpace 10 region-free hack

Also works on: 11, 12, 21

Press and hold the Track Down button on the player

Press the Power On button to turn on your player

Wait until the machine shows "----" on the display

Release the Track Down button on the player

Using the main remote keypad, enter the digits 1 0 1 1, then press Enter

The machine should now display "D-00" and be region free

Didn't work, or found a better way? Send us your version.