| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an operation device, in which an operation screen is easy to see and the operability is improved. SOLUTION: A slide bar 5 which appears in a screen frame 4 at moving of a mouse cursor 3 close to the screen frame 4 is arranged in an operation picture 2 of a display device 1 of a computer constituting the operation device. Operation switches 6, state indicators 7, etc., having low frequencies in use are arranged in this slide bar 5. When the mouse cursor 3 is moved away from the screen frame 4, the slide bar is hidden in the outside of the screen frame, and the operation screen 2 is made clear and easy to see for enhancing monitoring efficiency.</p> |
