Method and device for deciding support portion position in a backup device

摘要

A host computer 80 for wholly controlling an electronic component mounting line displays a surface side image and a reverse side image which respectively show a surface side and a reverse side of a board having components mounted thereon, with the images being superposed; displays components mounted on the surface side of the board and components mounted on the reverse side in visually different modes; and designates and determines the positions of support places of a backup device on the displayed superposed image (step 108 ).