| 摘要 |
PURPOSE:To attain dial operation without moving the visual line on a steering wheel, by giving a notice an operated key with sound. CONSTITUTION:A telephone number of a called party is inputted by using numeric keys and *, # keys on a steering wheel operating board. A microcomputer stores the inputed telephone number. In case of key input, when the numeric keys are operated, sound is outputted at each operation in response to the operation key. The called party of the telephone number stored is called automatically. When the called party hooks up a receiver, the state possible for hand-free call is attained. |
