PURPOSE:To impart freshness and unexpectedness at the time of rising, by automatically selecting one melody from plural melodies on the basis of a room temp. at alarm time. CONSTITUTION:Output signals by the operation of key switches 3-8 are inputted to a control circuit 12 and, when the time switch 5 is pressed, a state capable of correcting the time displayed by a display part 2 is brought about. The alarm switch 4 is used when alarm time is set while plural melodies are stored in external memory 13. A room temp. is measured by a temp. sensor 15 and one of the melodies stored in the external memory 13 is selected on the basis of a room temp. at the alarm time and sounded from a buzzer 14.
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