| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve operability when an operator selects a desired operation guide image from among a plurality of operation guide images displayed on a display screen and inputs an instruction, without adding a special mechanism. <P>SOLUTION: When a display position for any of images 410b1-410b5 is designated by a touch panel 4101, an instruction receiving part 523 enlarges, for a predetermined period of time, an area for receiving input of an instruction associated with any of the images 410b1-410b5 displayed on the designated display position, in accordance with speed of change detected by a speed detection part 524 at the time of the designation. <P>COPYRIGHT: (C)2011,JPO&INPIT |
