The infrared emission phototube is setted on the adjustable bracket front-end of the cover, so we can adjust the infrared emission phototube to aim at the infrared receiving phototube expediently.
英
美
- 红外发射管安装在发射器金属罩前端的可调支架上,可方便地将红外发射管对准接收器上的红外接收管。