论文部分内容阅读
为满足厂矿、企业、学校、机关、剧场、电站、旅馆、医院等部门各主要岗位之间指挥调度、通讯联络的需要,北京有色冶金设计研究总院电力室研制成功了《XKD—2型选号双工扩音对讲机》(以下简称《对讲机》),经反复试用,证明该机具有性能良好,质量稳定、电路新颖、结构简单、音质清晰宏亮、使用方便、造价低廉、安装维护简便等优点。《对讲机》成套设备包括:(1)25瓦或40瓦集中放大总机一台;(2)24伏,1安稳压电源一台;(3)扩音对讲分机3～20台(根据用户需要供应)。
In order to meet the needs of dispatching, communication and communication between major posts in factories, mines, enterprises, schools, offices, theaters, power stations, hotels, hospitals and other departments, the power room of Beijing Nonferrous Metallurgical Design and Research Institute has successfully developed XKD-2 Duplex walkie-talkie “(hereinafter referred to as” walkie-talkie “), after repeated trial proved that the machine has good performance, stable quality, novel circuit, simple structure, clear and loud sound quality, easy to use, low cost, easy installation and maintenance . ”Walkie-talkie," complete sets of equipment, including: (1) 25-watt or 40-watt centralized amplification of a switchboard; (2) 24 volts, 1 amp power supply; Need supply).