| 摘要 |
<p>PURPOSE:To reduce the possibility of erroneous input remarkably and to improve input efficiency, by expanding intervals between the key tops and the grids of a display picture touch key by an expansion instruction key. CONSTITUTION:A display control means 4 which controls so as to display character information either in a first size or a second size on the display picture of a display means 3, instruction means 2-1 and 2-2 which instructs the first size or the second size alternatively, and an input means 2 arranged so as not to bloc the display of the display picture of the display means 3 and which inputs position information corresponding to each of character information being displayed in a size instructed by the instruction means 2-1 and 2-2 alternatively on the display picture are provided. Since the size of the character information being displayed on the display picture of the display means 3 is et variably in the first size or the second size corresponding to the instruction of the instruction means 2-1 and 2-2 and the input means 2 can input the position information corresponding to the size of a display character, an operator can expand or compress the display of a key top easily with a desired timing.</p> |
