- 98 - © 2020 unitech Electronics Co., Ltd. All rights reserved.unitech is a registered trademark of unitech Electronics Co., Ltd.MS852B Plus User’s Manual3.2.11.6 UPC-E0 AddendaThis selection adds 2 or 5 digits to the end of all scanned UPC-E data.Default = Off for both 2 Digit and 5 Digit Addenda.3.2.12 UPC-E1Most U.P.C. bar codes lead with the 0 number system. For these codes, useUPC-E0. If you need to read codes that lead with the 1 number system, usethe UPC-E1 On selection. Default = Off.Off*On2 Digit Addenda Off*2 Digit Addenda On5 Digit Addenda Off*5 Digit Addenda On