- 37 - © 2020 unitech Electronics Co., Ltd. All rights reserved.unitech is a registered trademark of unitech Electronics Co., Ltd.MS852B Plus User’s ManualA bar code needs only to be touched by the centering window in order to beread. It does not need to pass completely through the centering window. ScanCentering On, then scan one of the following bar codes to change the top andbottom of the centering window. Then scan the percent you want to shift thecentering window using digits on the inside back cover of this manual. ScanSave. Default Centering = 40% for Top, 60% for Bottom.Centering OnTop of Centering WindowBottom of Centering WindowCentering Off *

Unitech MS852B Plus User Manual