Audiovox PVS69701 region-free hack
1. Press the OPEN button and keep the tray open
2. Press code 3 5 9 7
3. You will now be in a hidden menu system
4. Navigate menu to select Region Code and select Region 9
5. Press Enter
6. Press Menu to Exit
7. Confirm Region change by pressing ANGLE then DISPLAY (still with tray open) and you will see a long
string of letters and numbers ending with R9. (if successful).
7. Power off.
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