... sent directly by the connected PC.Payment MethodsCash, credit, check, credit card, coupon, electronic money, and sub-tenders defined ... on items or subtotalCustomer fidelityMembership management by chip card or barcode,Other functionsProfit report, PLU stock handling ... optional): 1MB SRAM (Battery Buffered)- Memory Expansion: SD card slotKeyboard- Internal 55-key programmable keyboard- 6-position ...