personal emergency alert system

(pĕr-sŭn-ăl) A device consisting of a portable battery-powered help button and a machine that automatically dials a monitoring station. The device is connected to the individual's telephone or to a phone jack. When the system is activated, it either allows a two-way communication between the monitoring station and the individual or alerts the station personnel to phone the individual. In the latter case, if there is no response the station may call a neighbor or family member or dispatch emergency medical technicians to the person's home.

单词	personal emergency alert system
释义	personal emergency alert system personal emergency alert system (pĕr-sŭn-ăl) A device consisting of a portable battery-powered help button and a machine that automatically dials a monitoring station. The device is connected to the individual's telephone or to a phone jack. When the system is activated, it either allows a two-way communication between the monitoring station and the individual or alerts the station personnel to phone the individual. In the latter case, if there is no response the station may call a neighbor or family member or dispatch emergency medical technicians to the person's home.
随便看	risc os unicode font library risc os user group of london riscpa risc pc riscpc risc processor ri-scs riscs risc single chip risc system/6000 risc system/6000 sp risct ri-sctcm risc technology riscu risd risda risde ris (disambiguation) risdon's incision risdon wire risdp rise rise above rise against