gs1-ai-syntax

What is the actual ASCII value of the FNC1 character in GS1 barcodes?

The special function characters such as FNC1 through FNC4 belong to the class of “non-data characters” that can be encoded within various barcode symbologies but with do not have any direct ASCII representation in the decoded data stream. Each symbology that supports such characters has a different scheme for encoding them in its internal representation … Read more

Extracting information from a scanned GS1-type barcode

There are two processes involved in obtaining the information represented by a GS1-type barcode that stores data in GS1 Application Identifier Standard Format. Extraction of the data fields (referred to as Application Identifiers) contained within the GS1-structured data obtained by scanning the symbol. This always includes a unique identifier for the item called a GTIN-14 … Read more