| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicle-mounted audio device that can reduce labor of inputting a password and a risk of forgetting the password in cases other than theft, and improve utility convenience.SOLUTION: A vehicle-mounted audio device 2 having a receiving unit 9 for receiving radio broadcast includes a storing unit 8 for storing data of a receiving state of the radio broadcast received by the receiving unit 9, and a controlling unit 7 for comparing data of the receiving state of the radio broadcast right after power is turned on with the data of the receiving state of the radio broadcast stored in the storing unit 8, and determining whether the device is theft based on the comparison result. |
