1. This item is combined with RF anti-inference circuit and tone key squelch circuit to avoid any interference and noise. It was installed with IR transmitter sync LED device also. 配合高精密的射频抗干扰电路和音码锁定电路，可有效避免各类干扰及消除各种杂讯，并且还具有红外线对频发射装置。
2. This item is combined with RF anti-inference circuit and tone key squelch circuit to avoid any interference and noise. It was installed with IR transmitter sync LED device also. 配合高精密的射频抗干扰电路和音码锁定电路，可有效避免各类干扰及消除各种杂讯，并且还具有红外线对频发射装置。
3. This item is combined with RF anti-inference circuit and tone key squelch circuit to avoid any interference and noise. It was installed with IR transmitter sync LED device also. 配合高精密的射频抗干扰电路和音码锁定电路，可有效避免各类干扰及消除各种杂讯，并且还具有红外线对频发射装置。
4. In this paper design of some circuit including in A/D circuit is also analyzed, such as front analog circuit, sample clock circuit and data flip-latch circuit. 同时对高速转换器件及转换电路中包括前端模拟电路、采样时钟、后端数据锁存等辅助电路设计进行了分析。
5. Hardware mainly includes the kernel control circuit, man-machine interface circuit, communication interface circuit, urgent circuit, power drive circuit and so on. 其硬件电路主要有：主控电路、人机接口电路、通讯接口电路、应急电路和功率驱动电路等。
