| 摘要 |
<p>Provided on a major surface of a case (101) are an LCD (103) for displaying various information, an input unit (104) for inputting various information according to the contents of a menu displayed on the LCD (103), and a microphone (110) for inputting a voice. Push buttons (107-109) are provided in portions with which the second finger, the third finger, and the little finger of the user are in contact when the user grips the case (101) and places the thumb on a joy key (105). Operation functions having high frequencies of use by the user are assigned to the push buttons.</p> |
