Sales information management device, control method of sales information management device, and control program of sales information management device

摘要

Problem to be solved: to provide a sales information management apparatus capable of effectively preventing erroneous input of operation keys by an operator.An operation key for inputting various information to the operator andDisplay 4 for displaying operation keys andHaveOf the input screen displayed on the display sectionSelecting a specific preceding screen operation key from the preceding screen operation key which is an operation key displayed on the preceding input screenOnly the trailing screen operation key which is an operation key related to the selected preceding screen operation key is displayed on the rear screen.The trailing screen operation key isInformation assigned to each operation key is divided into a plurality of groups collected for each higher conceptA sales information management device 1 having a display form in which each group can be distinguished from other groups.Diagram