Code 128, Code 128 enable/disable, Expand code 128 to code 39 – Wasp Barcode WLS9600 Product Reference Guide User Manual
Page 131: Code 128 enable/disable expand code 128 to code 39, Default

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Code 128 Enable/Disable
Product Reference Guide
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CODE 128
The following options apply to the Code 128 symbology.
Code 128 Enable/Disable
When disabled, the reader will not read Code 128 barcodes.
Code 128 = Disable
Code 128 = Enable
DEFAULT
Expand Code 128 to Code 39
This feature enables/disables expansion of Code 128 labels to Code 39 labels.
DEFAULT
Code 128 to Code 39 = Don’t Expand
Code 128 to Code 39 = Expand