| 摘要 |
PURPOSE:To facilitate an operation and to safely and surely execute an operation by executing the setting of a stepping quantity, the changeover of on/off with the stepping, and the selection of other operational functions by means of one foot switch. CONSTITUTION:A foot switch 40 has a first switch 50, a second switch 60 and a foot rest 70, and by the states of the switches 50 and 60, an object to be controlled is decided. The first switch 50 is operated by a first stage operation to execute the on/off changeover by the stepping and second stage operation to decide a control quantity according to the stepping quantity. The second switch 60 is arranged in the vicinity of the first switch 50 so that the on/off changeover can be executed while the first switch 50 is operated. |
