本文件描述了表1所示海上应用公共广播系统（PA）、通用紧急报警系统（GA）和公共广播通用紧急报警系统（PAGA）组件的操作和性能要求、测试方法和要求的测试结果，以支持IMO对此类系统的要求，由制造商共同或单独定义要进行型式认证的部件，以建立一个系统。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document describes operational and performance requirements, methods of testing and required test results for components of public address systems (PA), general emergency alarm systems (GA) and public address general emergency alarm systems (PAGA) for marine applications as in Table 1 in support of the requirements of IMO for such systems, while it is up to the manufacturer to define the components to be type approved together or separately, tobuild up a system.All current amendments available at time of purchase are included with the purchase of this document.