| 摘要 |
An AM(Amplitude Modulation) tuning method of a broadcasting receiving system is provided to automatically tune an AM signal according to the input voltage supplied to the system. At the waiting mode of a broadcasting receiving system(302), an input voltage measuring member measures the input voltage inputted to the system and provides the input voltage measuring value to a control member(304). The control member reads the reception condition of the AM signal registered in a storage medium(306). The control member compares the provided input measuring value with the read AM signal reception condition and then extracts the AM signal reception condition corresponding to the input voltage of the system(308).
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