Arcam HT-DV90 region-free hack
Also works on: FMJ-DV88, FMJ-DV27, DV-79
Press the Open/Close button on your Remote Control
Press the buttons 1 1 1 and then 1 one at at time from the Remote
Then press 01 on the Remote to select Region 1, or 02 for Region 2, and so on, or enter 13 to select Region Free
The word Region and then the number you selected should briefly appear on screen to confirm that the hack has been successful
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