| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To obviously show an operation history of a user, notify a user of a series of content of operation setting, and to enable the user to easily select his or her target operation key. <P>SOLUTION: An LCD touch panel part 10 including a basic setting screen displaying operation keys arranged in a fixed manner in each layer, and an operation history screen showing an operation history indicating that the operation key has been selected. The LCD touch panel part is provided with: a selected key use determination unit 31 configured to determine an operation key selected in the basic setting screen or the operation history screen; a storage processing unit 35 configured to successively store results determined by the selected key use determination unit 31 into a volatile memory unit 331 as operation history information; and a selected key use history display control unit 32 configured to display the operation history information stored in the volatile memory part 331 into the operation history screen. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
