Giant Voice® Emergency Management System The GV-EMS is a comprehensive and flexible Emergency System providing easy understandable information that enables the user to make the right decisions and react within seconds. The GV-EMS Software has been developed to meet the customers’need for precise and accurate information at hand, when vital decisions have to be taken. The straightforward logic of the system combined with the touch screen panels, makes it easy to use. Simply select the sirens on the map, and then choose your action from one of the menus on the touch screen. Or you can add predefined sequences to the system assigning sequences to the programmable Activation Keys. The system is scalable, meaning that the user can obtain all data and information or activate the sirens from any touch screen panel connected to the system – or choose to connect several touch screens having one for each menu window.