| 摘要 |
PURPOSE: A voice information system of a key button is provided to allow a driver to select a function key according to a voice message without looking at a car audio system. CONSTITUTION: A voice instruction system of a key button includes a display(26), a function selector(40), a voice storage unit(50), a voice output unit(60), and a controller(30). The display is attached to the front face of a car audio system and displays function keys. The function selector selects one of the function keys displayed on the display. The voice storage unit stores a voice message that informs a user of a function set to each of the function keys. The voice output unit outputs a voice message corresponding to the selected function key through a speaker. The controller controls the voice output unit to output the voice message.
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