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<scanEngineProperties>
    <scanEngineProperty key="DEC_QR_ENABLED" value="true" />
</scanEngineProperties>

Hint: this could also be: .... key="QrCodeEnabled" value="true" ...

To find the parameter to change the wedge settings can be used to see the different parameters and options:

...

<scanEngineProperties>
  <scanEngineProperty key="DEC_EAN13_CHECK_DIGIT_TRANSMITEan13CheckDigitTransmitEnabled" value="true" />  
</scanEngineProperties> 

Use this table to find the key for a parameter:

From our codehere the code will translate the Ean13CheckDigitTransmitEnabled to DEC_EAN13_CHECK_DIGIT_TRANSMIT.

These are the setting keys:

BarcodeReader.SettingKeys:

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