ISO 7240-16:2007规定了ISO 7240-1中定义的作为紧急用途音响系统（s.s.e.p.）一部分的建筑和结构中使用的音响系统控制和指示设备（s.s.c.i.e.）的要求、试验方法和性能标准。s.s.c.i.e.主要用于在紧急情况下广播一个或多个指定区域内的生命保护信息，以实现室内或室外区域内乘员的快速有序动员。这包括使用扩音器播放紧急语音通知、符合ISO 7731的警报信号和符合ISO 8201的疏散信号的系统。 s.s.e.p.的总体要求，尤其是关于可听性和可懂度的要求，包含在ISO 7240-19中。除了确保符合ISO7240:16:2007，制造商还应考虑ISO 7240的要求。 19.影响s.s.c.i.设计和可用性的国家法规、规范和标准。例如，一些法规要求在管辖范围内安装的所有s.s.c.i.上提供某些可选功能。 不排除在非危险情况下将设备用于正常扩声和分配系统。 ISO 7240-16:2007也可用于评估类似的控制和指示设备，用于警告信号广播不包括语音信息的系统。 ISO 7240-16:2007不适用于仅使用发声器或铃声的系统。

ISO 7240-16:2007 specifies the requirements, test methods and performance criteria for sound system control and indicating equipment (s.s.c.i.e.) for use in buildings and structures as part of a sound system for emergency purposes (s.s.e.p.) aas defined in ISO 7240-1. The s.s.c.i.e. is primarily intended to broadcast information for the protection of lives within one or more specified areas in an emergency, to effect a rapid and orderly mobilization of occupants in an indoor or outdoor area. This includes systems using loudspeakers to broadcast voice announcements for emergency purposes, alert signals complying with ISO 7731, and evacuate signals complying with ISO 8201. The overall requirements of an s.s.e.p., especially concerning audibility and intelligibility, are contained within ISO 7240-19. In addition to ensuring compliance with ISO 7240-16:2007, the manufacturer should also consider the requirements of ISO 7240-19, national regulations, codes and standards that affect the s.s.c.i.e. design and usability. For example, some regulations require certain optional functions to be available on all s.s.c.i.e. installed within the jurisdiction. The use of the equipment for normal sound reinforcement and distribution systems purposes under non-hazardous circumstances is not excluded. ISO 7240-16:2007 can also be used for the assessment of similar control and indicating equipment for use in systems where the warning-signal broadcast does not include a voice message. ISO 7240-16:2007 does not apply to systems using only sounders or bells.