说明：  XR-3000警讯中央接收机是联网报警系统中心用于接收用户通过公共电讯网发送过来的报警信息的，有大屏幕LCD显示，界面直观、简单、易懂，操作方便。
(The xr3000 alarm central receiver is used by the network alarm system center to receive the alarm information sent by users through the public telecommunication network, with large screen LCD display, intuitive interface, simple, easy to understand and easy to operate.)