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Copyright 2014 unitech Electronics Co., Ltd. All rights reserved. Unitech is a registered trademark of unitech Electronics Co., Ltd. 
When Check Digit is set to Validate and Transmit, the scanner only reads NEC 2 of 5 bar 
codes printed with a check digit, and will transmit this digit at the end of the scanned data. 
Default = No Check Digit. 
 
 
 
 
NEC 2 of 5 Message Length 
Scan the bar codes below to change the message length. Refer to Message Length 
Description (page 49) for additional information. Minimum and Maximum lengths = 2-80. 
Minimum Default = 4, Maximum Default = 80.