CAR AUDIO SYSTEM TRANSMITTING THE AUDIO SIGNAL FROM ITS EXTERNAL TERMINAL AUTOMATICALLY THROUGH SPEAKER AND ITS METHOD

摘要

PURPOSE: A car audio system and a method thereof for automatically outputting audio signal of an external terminal through a speaker are provided to listen to the radio without disturbance by the external input of high priority. CONSTITUTION: A car audio system(100) comprises a CD controller(104), a tuner controller(102), a key/remote controller(105), a USB host input unit(103) and a car audio controller. The CD controller is inserted in CD medium. The user listens to the contents of the CD medium. The tuner controller controls the operation of the tuner. The key/remote controller inputs an operation command signal in the car audio system. The car audio controller includes an operation mode switching function and an input signal monitoring function connected with a navigation terminal.