Teac DV-2180 region-free hack

Empty the Disc Drawer

Press Setup on the remote

Press 1 3 6 9, Left, Left, Left, Right (keypad)

"Version" will appear on the Menu, scroll down to this

Once in "Version" go to Region and go across to the number and change to 0 for Multi-Region. Use the keypad to change the zones

Then exit Version and Setup