Unitech MS282 - Intercharacter Gap Size

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MS282 User’s Manual
3.15.4 Intercharacter Gap Size
The Code 39 and Codabar symbologies have an intercharacter gap that is
typically quite small. Due to various bar code printing technologies, this gap
can grow larger than the maximum size allowed, preventing the engine
from decoding the symbol. If this problem occurs, scan the Large
Intercharacter Gaps parameter to tolerate these out-of-specification bar
codes.
Normal Intercharacter Gaps*
Large Intercharacter Gaps