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What do the letters stand for next to the light angle mean?

The report value corresponds to Angle used and number of sides represented as a letter (Q,T,S).

07/05/2025

Details

With the standard verifier report format, the lighting used is reported. If using the DPM standard for verification compared to the 15415 standard used on labels, you have other lighting angle and source options that can be used. These will be identified with the angle and source count that is represented with a letter. 

 

More information on this topic can be found here: https://www.cognex.com/blogs/barcode-verification/lighting-types-for-barcode-verification

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