- 91 - © 2018 unitech Electronics Co., Ltd. All rights reserved.unitech is a registered trademark of unitech Electronics Co., Ltd.MS652 User’s Manual3.14.4 Intercharacter Gap SizeThe Code 39 and Codabar symbologies have an intercharacter gap that istypically quite small. Due to various bar code printing technologies, this gapcan grow larger than the maximum size allowed, preventing the enginefrom decoding the symbol. If this problem occurs, scan the LargeIntercharacter Gaps parameter to tolerate these out-of-specification barcodes.Normal Intercharacter Gaps*Large Intercharacter Gaps