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We have a Koss home theater A/V system with progressive scan DVD player. when I tried to open the dvd it gave us a msg 4, and then the system shuts down, then we have no sound nor can we load a dvd. We have tried and tried to find out what msg 4 is we have checked the manual, nothing, would appreciate your help. Thanks
1. Press the "menu" key 2. Press the numbers 1,6,7,1,9 3. A menu should appear on the upper-right corner of the tv screen asking which region you wish to play 4. Press the number of the desired region ( 0 for regionfree ), wait a second or two and you should be able to load and view the DVD
I had the same problem and it took an act of Congress to solve it. However, I can tell you that through much more hard work and time than it should have taken I discovered the infrared code for my "One-For-All" remote model URC-4021B00 is--0651. Not sure if it's the same for any other remote control models, but give it a shot.