| 摘要 |
PURPOSE: To secure the safety of a user, to save labor and to improve visibility for a display selecting operation concerning the technique of the supervisory and display device which supervises/displays the various electricity levels of receiving and distributing systems or the like, reduces the number of display parts rather than the number of items to be displayed and requires display switching. CONSTITUTION: An arithmetic processing part processes information from a non-volatile storage part, information inputted from the user through an operation part and information inputted from the user through a host device 19, the display items before power failure are displayed out of plural display items on a display part after recovery, priority display items after recovery are displayed, designated display items from the host device 19 are displayed, and automatic display item switching display is performed. Thus, the user can confirm the intended display item without touching the supervisory and display device under operating, labor can be saved and safety can be provided. |
