Code-128 Barcode Specifications
The Code128 barcode option (Aka. Code 128 Auto) is specified in IDAutomation Barcode Fonts, Components and Applications to create a Code 128 Barcode with automatic character set switching, commonly referred to as Code128 Auto. Code128 Auto generates the most area-efficient barcode symbol and easily encodes ASCII 0-126, which includes numbers, upper and lower case letters, several symbols, and the GS1 FNC-1 function. The ApplyTilde option is available in Auto mode, which enables several options, such as the easy generation of GS1-128 barcodes.- Using the Code128 barcode option with a font encoder returns text formatted to the Code 128 Barcode Fonts.
- Using Uni_Code128 with a universal barcode font encoder returns text formatted to the Universal Barcode Font and the GS1 DataBar Font.
- The Code128 barcode option in all components and applications will produce a barcode image that includes all applicable start and stop digits with checksum characters if required.
- Nat_Code128a creates a "Native" barcode from pure text without requiring the installation of any additional fonts or components. These options exist in the Native Barcode Generators for Crystal Reports, Access, FileMaker, JavaScript and Oracle Reports.
Fig. 1. Code 128 Auto barcode encoding "BC12345678".
The above Code 128 barcode symbol was generated with the
Barcode Image Generator
at 96 DPI. A
free online version of the barcode generator is also available for testing
purposes.
The Code 128 barcode type is easily read and verified with the IDAutomation USB Barcode Scanner.
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