With the POWER CONNECTED to the PCB board, as well as your TX/RXterminal wires, mount the board back on the HDA case.You must have thepower connected when you do this.

• 现在来到困难的地方；请先在没有接电的情况下反覆练习.；如果螺丝接触到电路板不该接触到的地方的话会令板子坏掉!!