Ensure there is no disc in the tray.
Put player into standby.
On the remote control press clear while switching player on.
Press OSD to bring up the screen menu.
Enter the code 314159+region no. ie 3141591 for region 1 etc by entering a "0" as last digit you obtain "Region Free"
If at any time after a code change the player is in standby and the clear button is pressed when the player is turned on,the player will revert back to the original region code