| 摘要 |
<p>PROBLEM TO BE SOLVED: To enable a centralized operation of a plurality of equipments efficient ly and easily by displaying the conditions of the equipments at the same time to make the relationship between switches and operations intuitively understand able. SOLUTION: Switches 23a-23c for the entire display section and operation instruction symbols 31a-31c for each region 25a-25d are similar in both shape and location. Specifically, the switches having circular (○), triangular (▵), and inverse triangular shapes respectively are arranged in this order from up to bottom in a vertical line and the operation instruction symbols having circular (○), triangular (▵), and inverse triangular shapes respectively are also arranged in like manner.</p> |
