| 摘要 |
PURPOSE: A ship alarm broadcasting system and a method thereof are provided to include a PA speaker function of a ship in a signal write column and to integrates a broadcasting function and an alarm function through the signal write column. CONSTITUTION: A PA system(210) receives a voice signal about announcement. A main controller(220) transfers the voice signal to an alarm controller(240). The alarm controller sets up the output frequency band of an electric horn(252) in order to output the voice signal to the electric horn. If the alarm signal is transferred, the alarm controller sets up the output frequency band of the electric horn as corresponding bandwidth. The alarm controller transfers the alarm signal to the electric horn. |
