What are Blu-ray and DVD region codes, country codes, multi-region or zone locks? Read DVD Player region codes and Blu-ray region codes.
| DVD Player | Hacks | Updated | Add |
| Harman Kardon DVD20 | 3 user region code comments |
June 18, 2005 | Post region code/hack comment |
 Region code hack posted by gero, October 18 2001: | |||
similar to dvd10 1. remove disc and wait until "no disc" appears 2. using remote control send sequence 3141592 3. press region code (1-4) 4. "power on" should appear done | |||
| Region code hack posted by paramaniac1, October 19 2001: | |||
1. Turn player on with empty disc tray 2. Wait until display shows "NO DISC" 3. Press the code 3141592 on the remote 4. Now press 1 for region 1, 2 for region 2 etc. 5. Display should now show "POWER ON" | |||
| Region code posted by Tim Pedersen, June 18 2005: | |||
t | |||
| 1 DVD Hack hits, Showing 1 to 1 DVD Hacks |
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