Buffalo region-free hacks

Press [Slow] 2 9 4 0 This should display a window where you can chose your Region, including Regi

Alternative sequence:

The previous sequence may not work for the LinkTheater purchased in Japan

1. In the log-in menu (try a variety of player menus) press [Slow] 2 9 6 0

2. This brings up a window where you can select a Region setting (including Region 0)