Argox AS-9500 - Manual (Page 81)

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EAN/JAN-8
Addenda Required
When Addenda Required is set to on, the imager will only read
EAN/JAN-8 bar codes that have addenda.
EAN/JAN-8 Addenda Separator
When this feature is on, there is a space between the data from the
bar code and the data from the addenda. When turned off, there is
no space.
Addenda Required
Required
*Not Required
Addenda Separator
*On
Off