Functional Requirements:

1: the system needs to be all-weather or scheduled play background: in the daytime from time to time to play some background music.

2: temporary or at any time for artificial radio: such as in the terminal to find someone, play inspiration, release temporary information. When an administrator needs to speak, they can select one or more zones or perform a partition switch to play a speech, pre-recorded message, or play an emergency notification by partition control.

3: Some broadcast partitions can be multi-source playback: according to different partitions, different times to play different background music.

4: can regularly open the system equipment, set the playback music: the system can control the equipment in the control room operations, such as the terminal equipment, power management, etc., need to complete control in the main control room.

5: radio system and fire system linkage, when a fire occurs, play the organization command and ease the safety of personnel.