| 摘要 |
<p>PURPOSE:To improve operability by altering a display screen number corresponding to a screen switching key so that operability is improved most when the switching order of a screen is previously known. CONSTITUTION:In a state where a screen switching key alteration key 10 is inputted and a completion key 11 is not inputted, a screen switching key information alteration processing is executed in a screen switching key information alteration means 13. Namely, the display screen number corresponding to a screen switching destination key and a screen switching source key are altered in correspondence with an input from a screen switching key 320. Consequently, the order of plural display screen numbers can be altered in correspondence with the order of plural display screen numbers in the screen switching key 320. Thus, the screen switching job of an operator can be simplified and operability can be improved.</p> |
