The CZS‐2FFS‐NZ is a portable unit designed for higher level users. The main functionalities of the unit are to set up calls in the system, to allocate radio stations, to set up a rebroadcast, to control data flow, to visualize systems information and status. Current settings and possible submenu options are shown in its display. User can access any user-specified functionalities including selection of phone numbers, IP addressing, menu navigation and radio settings via buttons placed around display. The device communicate with the system via Ethernet interface or FONET line.

CZS-2FFS-NZ is also fitted with a function keyboard which provides an emergency broadcast mode and an access to quick settings voice menu (e.g. volume control, radio silence).