● 可用按入式直接安装到线路板 Snap-in type,which can be directly mounted   on PC board. ● 输出端子端子的一部分可作为跨接引线使用，  电路设计简单 Some of output terminal can be also used as jumper leads,thus making circuit design easy. ● 标准按钮可选。 Standard knobs are available. ● 符合RoHS RoHS Compliant ● 适用于各种电子化的各种音响设备、办公设备、  通讯设备、测量仪器、TV、录像机、  汽车电子等设备操作。 Operating switches in all types of electronic equipment   such as audio apparatus,office equipment, communication apparatus,measuring instruments, TV sets,VCR,automotive sets,etc.