... , 0# key: switch between letters and numbersDel: delete the last letter or numberReject: Reject orderAccept: Accept orderMenu ... and exitNote: if wrong input, press Delkey to delete the last number(3) GPRS Port:1. ... exitNote: if wrong input, press Delkey to delete the last number(4)Printer ID:Normally, set ... stopped. If paper is not enough, GPRS Printer cannot print complete note for the last order. So, ...