| 摘要 |
<p>PROBLEM TO BE SOLVED: To simplify the input operation of data constituted of plural units. SOLUTION: A transparent touch key is constituted of plural switches corresponding to the respective display areas of a display part. Four switches divided into upper/lower parts are provided for the areas corresponding to the hour digits and the minute digits of an alarm time display part 9a. The four switches are constituted of the upper key 4a of the hour digit, the lower key 4b of the hour digit, the upper key 4c of the minute digit and the lower key 4d of the minute digit. When the upper key 4a or 4c of the minute digit is turned on, the value of the hour digit or the minute digit is added by one to the hour digit. When the lower key 4b or 4d of the hour digit or the minute digit is turned on, the value of the hour digit or the minute digit is reduced by one.</p> |
