| 摘要 |
PROBLEM TO BE SOLVED: To store a plurality of used functions in a third button to sequentially display the used function every time the third button is pressed. SOLUTION: A key input part comprises a function button, the third button and the like; when this device is in a wait state (S1) and the the third button is depressed (S2), the function used lastly is displayed on a display part (S3). When an operation using the function is executed at this point (S4), the function is executed (S9). When the third button is depressed without executing the operation using the function (S5), the second-newest function is displayed (S6). When the third button is depressed without executing the operation using the function in the meantime, the next new function is displayed and it is repeated. When the operation using the function is executed in the meantime, the function is executed (S7). COPYRIGHT: (C)2006,JPO&NCIPI
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