| 摘要 |
<p>PURPOSE:To execute easily keying, by dividing a display screen into 9 areas consisting of 3 lines X 3 rows and providing 3X 3 ten keys having the same array as that of respective areas. CONSTITUTION:The CRT display screen is divided into 9 blocks S1-S9 consisting of 3 lines X 3 rows and 9 key switches 1-9 corresponding to the 9 blocks are set up on a keyboard TK. If one of menues displayed on the 9 blocks, e.g. the kind of required drilling, is ''spot facing'', the operator depresses a key switch ''5''. Consequently, an unshown processor reads out data related to ''spot facing'' from a storage memory and executes processing corresponding to the data. Said constitution enables the operator to depress a required key sensually, so that the operating performance is improved as compared to the ordinary device.</p> |
