* Display the board status information of the system: working status, zone status, current monitoring status, etc.

* Support PTT emergency microphone: PTT status detection, PTT all zones paging, PTT input sensitivity adjustment.

* LED indicator: display the working status and failure status of the equipment.

* Zone monitoring: support the end monitoring of any zone in the system, and adjustable output volume of the monitoring speaker.

* Emergency mode switching: press the button and the emergency switch light will turn red and keep flashing; press it again to exit the emergency mode; reset and return to the normal status, and the red light turns dark.

* System failure prompt: when the system fails, it will actively send out sound and light prompt warnings; after all the system failures are removed, the warnings will be automatically stopped.

* Failure silencing: after pressing the failure silencing button, the failure warning is suspended.

* Screen brightness: the backlight brightness of the 7-inch display is adjustable.

Parameter Name	Parameter Value
Function	monitoring
Type/technology	digital, mechanical digital mechanical
Product applications	industrial
Other characteristics	LED