26 © 2016 unitech Electronics Co., Ltd. All rights reserved.unitech is a registered trademark of unitech Electronics Co.,LtdMS912+ User’s Manual3.11 UPC-AUPC-AENABLE * DISABLELEAD DIGIT SEND * LEAD DIGIT NO SENDCHECK DIGIT SEND * LEAD DIGIT NO SENDUPC-A EXPANDTO EAN-13ENABLE DISABLE *ADD ON SUPPLEMENT+5 ON +5 OFF *+2 ON +2 OFF *ADD A SPACE ON ADD A SPACE OFF *ADDENDA REQUIRED ON ADDENDA REQUIRED OFFNOTE: If ADDENDA REQUIRED is set to ON, the scanner will only read an UPC-Ebar code that has an addenda. At the same time please also scan +5 ON or+2 ON so the scanner will output a 5-digit or 2-digit addendum.