Operation guidance display device

Providing operation guidance display device with improved user convenience. When the input device (101) is changed, the display information change rule extraction section (106) extracts the function display information change rule for displaying the extracted guidance display information. The display information change section (107), among the notified guidance display information extraction disables the display rules on the operation auxiliary information for the input information that does not match the input information. The display information change section (107) by generating an assist information for invalidated symbol information, as operable GUI using an input information defined by the input information conversion table, appropriate operation guidance display I do.