A remotecontrol receiving unit receives orders sent by a remotecontroltransmission unit to control parameters such as point Angle, volume, transmission distance, sound effect and point sound, etc.
遥控接收单元接收遥控发射单元发出的指令，可控制指向角度、音量、传输距离、音效、声音指向等参数。
2
Wired remotecontrol is a dedicated cable or power line as a carrier, the signal with modem transmission mode, to achieve a small number of channels can be used to control the method.
The software carried on the transmission protocol realization, the instrument remotecontrol and the system software design, so connected the ethernet to made up the embedded network instrument.