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MS926P User’s Manual
3.3.9.4 Transmit Preamble Character
Preamble characters (Country Code and System Character) can be
transmitted as part of a UPC-A barcode. Select one of the following options for
transmitting UPC-A preamble to the host device: transmit system character
only, or transmit system character and country code (“0” for USA), or transmit
no preamble.
System Character & Country Code
System Character *
No Preamble