this invention is a vehicle in the car audio equipped with machine is in use, the user can set the alarm time, the alarm is. this invention is a car audio set the alarm time setting key, a time key, key and is equipped with a key, the alarm set key has been input according to the setting of the alarm, and the alarm is set, and at the same time, the key is in the key time of the same input, alarm can be set city to increase the height, is input, and may set reminders of people increases, the time setting key is input, the key is in the same time, at the time the input to increase the input of key, is to be with the hours, minutes increase, the alarm is set, at the time in calculation and display, the alarm time is set, the call of the east.
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