2800A “b-71” problem fix. instruction

1. Connect Null Modem cable between PC and the receiver.

2. Open GTRom Loader v28.01 and select 2800A_060627_124_api_1.bin file.

3 Turn the receiver power off and on . Within 1-2 second b-71 displays, click download. Wait until download completed OK appears and the unit display “ON” after b-71 display shortly which means the unit fixed to normal old boot version condition. If still b-71 display constantly, try above procedure again.

4 Open GTRom Loader v28.01 again and select boot_Itc80_(06)1019.bin boot version bin file.

5 Turn the receiver power ON and wait at least 10 seconds until “ON” displays, then click download. Wait download completed OK and display “b-80” which means the unit upgraded to new boot version condition.

6 Select 2800A_070311_202_api.bin or any bin file dated after Nov 20, 2006 and click download. Wait until download completed OK appears and the unit displays “ON” after b-80 displays shortly which means the unit completely updated to factory default condition.