| 摘要 |
PROBLEM TO BE SOLVED: To enhance the operating convenience of the telephone set by using selectively a number entry key or a cursor movement key to reduce number of the keys thereby decreasing the opportunity of wrong operation of the user. SOLUTION: The purpose of this invention is attained by providing a means that selects a means entering a telephone number or a means moving a cursor to the telephone set such as a portable telephone set. Number of keys of the telephone set is decreased by using the means that selects the means entering the telephone number or the means moving the cursor so as to select the number entry means or the cursor moving means. Thus, the opportunity of wrong operation by the user is decreased and the telephone set itself is small-sized.
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