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Bar-Coded Boarding Passes (BCBP) Implementation guide - IATA

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<strong>BCBP</strong> technical implementation<br />

≥ 57% 2<br />

≥ 50% 1<br />

< 50% 0<br />

Figure 43 - Example of grading scale for measuring print quality of a PDF417 bar code<br />

The kind of parameters to be analysed are: codeword yield, symbol contrast, modulation, axial<br />

non-uniformity, grid non-uniformity, unused error correction.<br />

The result of a bar code check according to the test procedure would tell the grades for each of<br />

the parameters (see fig. 42).<br />

Figure 44 - Verification of the print quality of a PDF417 bar code<br />

4 th edition - June 2009 - www.iata.org/stb/bcbp 59/128

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