Data input unit for program-controlled electronic cash terminal - having variable and fixed value storage and calculating facilities

摘要

The electronic cash terminal with drawer inpout unit display and print mechanism has improved input in that the number of store selection keys has been reduced, since one key can initiate several different processes. The input unit comprises a ten-key keyboard correction key a functions keyboard with subtotal, total and control keys and a store selection keyboard. The latter's keys operate in calculating operations in conjunction with the tens keyboard for inputting variable data, but when operated along input fixed values from associated read-only stores.