整机采用电脑控制，触摸式开关和大屏幕液晶汉显技术。
The instrument is controlled by microcomputer and has a big LCD screen.
本文讨论了触摸开关的工作原理，分析比较了几种典型的触摸开关单元电路，给出双点触摸式电子锁探头设计的一个方案。
In this paper we discuss how it works about touch switch, to analyse and compare some typical touch switch circuits, to give a detector circuit on two-point 'touch-electronic lock.
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