Manual for key insertion. Press "Yellow-> Blue->Blue->Green->Green->Red->Red->Menu" key successively in the state of no GUI menu. Then CHANNEL UNLOCK on system setting menu should be O.K Because default is channel lock is on. Then you can see popup menu & “I” XXXX is Irdeto , “V”xxx is Viaccess,”S” xxxx is Seca. “N”xxx is Nagravision code. You can inser the key as follows referring to the keys acquired from the internet. 1. Irdeto / betacrypt key Key on internet : I 10 00 8F157EDC3E012750; Premiere C Input Number : 00 00 00 10 00 8F 15 7E DC 3E 01 27 50 2. Seca / Mediaguard key Key on internet : S 0009 0C ADE964DC4FB09299; ABSAT-TPS Input Number : 01 00 00 09 0C AD E9 64 DC 4F B0 92 99 3. Viaccess key Key on internet : V 007000 09 ED3B8DA6775862EB; AB SAT Input Number : 02 00 70 00 09 ED 3B 8D A677 58 62 EB 4. Nagravison key Key on internet : N 7001 00 AE FF F2 80 3B 76 59 05 ;Polsat Input Number : 03 00 70 01 00 AE FF F2 80 3B 76 59 05 Key on internet : N 7001 01 C9 B8 81 D3 F7 8A 90 52 ;PolSat Input Number : 03 00 70 01 01 C9 B8 81 D3 F7 8A 90 52