PLS I WRONGLY INSECTED A WRONG CD INTO MY PIONEER HOME THEATER SYSTEM YESTERDAY AND IT IMMEDIATELY REFER TO REGION, MEANING IT LOCKED ME OUT, I CAN'T PLAY CD OR DVD OR USB ANYMORE. ITS SHOWS ON SCREEN PLAYERS REGION SETTING AND HIGHLIGHTED IT IN BLUE COLOR, IT NUMBERED 1-6 REGION, BUT I CAN'T USE MY REMOTE TO SET IT CUS ITS DON'T WORK. PLS I NEED A HELP TO FIX IT. WHAT CAN I DO?