UPC-AEnable/Disable UPC-ATo enable or disable UPC-A, scan the appropriate bar code below.Transmit UPC-A Check DigitThe check digit is the last character of the symbol used to verify the integrity of thedata. Scan the appropriate bar code below to transmit the bar code data with orwithout the UPC-A check digit. It is always verified to guarantee the integrity of thedata.UPC-A PreamblePreamble characters are part of the UPC symbol, and include Country Code andSystem Character. There are three options for transmitting a UPC-A preamble tothe host device: transmit System Character only, transmit System Character andCountry Code (“0” for USA), and transmit no preamble. Select the appropriateoption to match the host system.41Copyright 2013 Unitech Electronics Co., Ltd. All rights reserved. Unitech is a registered trademark of Unitech Electronics Co., Ltd.
