This data flow is used within the Manage Emergency Services function and contains control parameters for closed circuit television (cctv) and audio systems located in a secure area frequented by travelers, such as transit stops, rest areas, park and ride lots, modal interchange facilities, etc. The data flow consists of the following data items each of which is defined in its own DDE:

+ secure_area_audio_control

Sub Data Flows

Parent Data Flows

Associated PSpecs