1. Put the firmware of "RR52C.bin" in formatted USB flash disk ,then insert the USB disk and the 7KEY-Button to the board
2. After turn on the power, the light of the 7key button will be Red and flashing, after about 1 minute, the light stop flashing and be blue, it means upgrade has finished.(Note that write programs do not power outages, crashing won't be able to use)
How to into Factory setting?
Press "INPUT" button then press "1 1 4 7"
1 x Controller board
1 x Remote (no batter includes)
1 x IR
You can play game via this controller board, 5 built-in simple games: BOXMAN, HITRAT, TETRIS, GOBANG, SUDOKU.