Waveshare Barcode Scanner Module User Manual page 25

Barcode Scanner Module User Manual
2) Make sure Setting code is enabled, if no, please scanning the setting code
"Open Setting Code Function"
3) Scanning "Modify prefix"code
4) Scanning the data setting code one by one: "4", "4", "4", "1",
"5", "4", "4", "1"
5) Scanning "Save" Setting code
2. Suffix
Add suffix
Suffix is definable string added after decoding information.
Allow Suffix Adding
Modify Suffix
The suffix can be modified as same as the Prefix.
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Modify Suffix
*Without Suffix
Rev1.0 Date:180621