Customer Display Pole: Hardware port that been using by customer display. Upper & Bottom Line Command: Driver command that used by the Customer Display Modal to display message in the device. Display Welcome Message: Words to be displayed when there were no sales in customer display. Currency Symbol: Currency symbol to be display in device during sales. Show LCD Customer Display: If user is using LCD customer display screen, and that screen is available in displaying video or picture slide shows, user can enable this option and input the media file URL for display.