2008-07-14 09:15:55 +12:00
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2008-09-03 08:27:56 +12:00
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<H1>5.3 Composite Symbols (ISO 24723)</H1>
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<P>Composite symbols employ a mixture of components to give more
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comprehensive information about a product. The permissible contents
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of a composite symbol is determined by the terms of the <A HREF="appxc.html">GS1
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General Specification</A>. Composite symbols consist of a linear
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component which can be an EAN, UPC, GS1-128 or GS1 DataBar symbol, a
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2D component which is based on PDF417 or MicroPDF417, and a separator
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pattern. The type of linear component to be used is determined using
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the <FONT FACE="Courier">-b</FONT> or <FONT FACE="Courier">--barcode=</FONT>
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switch or by adjusting <FONT FACE="Courier">symbol->symbology</FONT>
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as with other encoding methods. Valid values are shown below.</P>
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<CENTER>
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<TABLE WIDTH=936 BORDER=1 CELLPADDING=4 CELLSPACING=3>
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<COL WIDTH=105>
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<COL WIDTH=254>
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<COL WIDTH=540>
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<TR VALIGN=TOP>
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<TD WIDTH=105>
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<P ALIGN=CENTER><B>Numeric Value</B></P>
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</TD>
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<TD WIDTH=254>
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<P ALIGN=CENTER><B>Name</B></P>
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</TD>
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<TD WIDTH=540>
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<P ALIGN=CENTER><B>Symbology</B></P>
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</TD>
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</TR>
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<TR VALIGN=TOP>
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<TD WIDTH=105>
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<P ALIGN=CENTER>130</P>
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</TD>
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<TD WIDTH=254>
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<P ALIGN=CENTER><FONT FACE="Courier">BARCODE_EANX_CC</FONT></P>
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</TD>
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<TD WIDTH=540>
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<P ALIGN=CENTER>Composite Symbol with EAN linear component</P>
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</TD>
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</TR>
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<TR VALIGN=TOP>
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<TD WIDTH=105>
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<P ALIGN=CENTER>131</P>
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</TD>
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<TD WIDTH=254>
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<P ALIGN=CENTER><FONT FACE="Courier">BARCODE_EAN128_CC</FONT></P>
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</TD>
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<TD WIDTH=540>
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<P ALIGN=CENTER>Composite Symbol with GS1-128 linear component</P>
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</TD>
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</TR>
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<TR VALIGN=TOP>
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<TD WIDTH=105>
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<P ALIGN=CENTER>132</P>
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</TD>
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<TD WIDTH=254>
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<P ALIGN=CENTER><FONT FACE="Courier">BARCODE_RSS14_CC</FONT></P>
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</TD>
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<TD WIDTH=540>
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<P ALIGN=CENTER>Composite Symbol with GS1 DataBar-14 linear
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component</P>
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</TD>
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</TR>
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<TR VALIGN=TOP>
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<TD WIDTH=105>
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<P ALIGN=CENTER>133</P>
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</TD>
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<TD WIDTH=254>
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<P ALIGN=CENTER><FONT FACE="Courier">BARCODE_RSS_LTD_CC</FONT></P>
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</TD>
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<TD WIDTH=540>
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<P ALIGN=CENTER>Composite Symbol with GS1 DataBar Limited
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component</P>
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</TD>
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</TR>
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<TR VALIGN=TOP>
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<TD WIDTH=105>
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<P ALIGN=CENTER>134</P>
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</TD>
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<TD WIDTH=254>
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<P ALIGN=CENTER><FONT FACE="Courier">BARCODE_RSS_EXP_CC</FONT></P>
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</TD>
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<TD WIDTH=540>
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<P ALIGN=CENTER>Composite Symbol with GS1 DataBar Extended
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component</P>
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</TD>
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</TR>
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<TR VALIGN=TOP>
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<TD WIDTH=105>
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<P ALIGN=CENTER>135</P>
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</TD>
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<TD WIDTH=254>
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<P ALIGN=CENTER><FONT FACE="Courier">BARCODE_UPCA_CC</FONT></P>
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</TD>
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<TD WIDTH=540>
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<P ALIGN=CENTER>Composite Symbol with UPC A linear component</P>
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</TD>
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</TR>
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<TR VALIGN=TOP>
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<TD WIDTH=105>
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<P ALIGN=CENTER>136</P>
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</TD>
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<TD WIDTH=254>
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<P ALIGN=CENTER><FONT FACE="Courier">BARCODE_UPCE_CC</FONT></P>
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</TD>
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<TD WIDTH=540>
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<P ALIGN=CENTER>Composite Symbol with UPC E linear component</P>
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</TD>
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</TR>
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<TR VALIGN=TOP>
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<TD WIDTH=105>
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<P ALIGN=CENTER>137</P>
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</TD>
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<TD WIDTH=254>
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<P ALIGN=CENTER><FONT FACE="Courier">BARCODE_RSS14STACK_CC</FONT></P>
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</TD>
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<TD WIDTH=540>
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<P ALIGN=CENTER>Composite Symbol with GS1 DataBar-14 Stacked
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component</P>
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</TD>
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</TR>
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<TR VALIGN=TOP>
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<TD WIDTH=105>
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<P ALIGN=CENTER>138</P>
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</TD>
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<TD WIDTH=254>
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<P ALIGN=CENTER><FONT FACE="Courier">BARCODE_RSS14_OMNI_CC</FONT></P>
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</TD>
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<TD WIDTH=540>
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<P ALIGN=CENTER>Composite Symbol with GS1 DataBar-14 Stacked
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Omnidirectional component</P>
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</TD>
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</TR>
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<TR VALIGN=TOP>
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<TD WIDTH=105>
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<P ALIGN=CENTER>139</P>
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</TD>
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<TD WIDTH=254>
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<P ALIGN=CENTER><FONT FACE="Courier">BARCODE_RSS_EXPSTACK_CC</FONT></P>
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</TD>
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<TD WIDTH=540>
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<P ALIGN=CENTER>Composite Symbol with GS1 DataBar Expanded
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Stacked component</P>
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</TD>
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</TR>
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</TABLE>
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</CENTER>
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<P ALIGN=LEFT>The data to be encoded in the linear component of a
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composite symbol should be entered into a primary string with the
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data for the 2D component being entered in the normal way. To do this
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at the command prompt use the <FONT FACE="Courier">--primary=</FONT>
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command. For example:</P>
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<P ALIGN=LEFT><FONT FACE="Courier">zint -b 130 --mode=1
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--primary=331234567890 -d "[99]1234-abcd"</FONT></P>
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<P ALIGN=LEFT>This creates an EAN-13 linear component with the data
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"331234567890" and a 2D CC-A (see below) component with the
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data "(99)1234-abcd". The same results can be achieved
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using the API as shown below:</P>
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<P ALIGN=LEFT> <FONT FACE="Courier, monospace"><FONT SIZE=2>my_symbol->symbology
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= 130;<BR> my_symbol->option_1 =
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1;<BR> strcpy(my_symbol->primary,
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"331234567890");<BR> ZBarcode_Encode_and_Print(my_symbol,
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"[99]1234-abcd");</FONT></FONT></P>
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<P ALIGN=LEFT>EAN-2 and EAN-5 add-on data can be used with EAN and
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UPC symbols using the + symbol as described in section 5.1.3 and
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5.1.4.</P>
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<P ALIGN=LEFT>The 2D component of a composite symbol can use one of
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three systems: CC-A, CC-B and CC-C as described below. The 2D
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component type can be selected automatically by Zint dependant on the
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length of the input string. Alternatively the three methods can be
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accessed using the <FONT FACE="Courier">--mode= </FONT>prompt
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followed by 1, 2 or 3 for CC-A, CC-B or CC-C respectively, or by
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using the <FONT FACE="Courier">option_1</FONT> variable as shown
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above.</P>
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<P ALIGN=LEFT><A NAME="CCA"></A><FONT SIZE=5><B>5.3.1 CC-A</B></FONT></P>
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<P ALIGN=LEFT>This system uses a variation of MicroPDF417 which
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optimised to fit into a small space. The size of the 2D component and
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the amount of error correction is determined by the amount of data to
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be encoded and the type of linear component which is being used. CC-A
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can encode up to 56 numeric digits or an alphanumeric string of
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shorter length. To select CC-A use <FONT FACE="Courier">--mode=1</FONT>.</P>
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<P ALIGN=LEFT><IMG SRC="cca.png" NAME="graphics1" ALIGN=LEFT WIDTH=238 HEIGHT=218 BORDER=0><BR CLEAR=LEFT><BR><BR>
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</P>
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<P ALIGN=LEFT><A NAME="CCB"></A><FONT SIZE=5><B>5.3.2 CC-B</B></FONT></P>
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<P ALIGN=LEFT>This system uses MicroPDF417 to encode the 2D
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component. The size of the 2D component and the amount of error
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correction is determined by the amount of data to be encoded and the
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type of linear component which is being used. CC-B can encode up to
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338 numeric digits or an alphanumeric string of shorter length. To
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select CC-B use <FONT FACE="Courier">--mode=2</FONT>.</P>
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<P ALIGN=LEFT><IMG SRC="ccb.png" NAME="graphics2" ALIGN=LEFT WIDTH=166 HEIGHT=218 BORDER=0><BR CLEAR=LEFT><BR><BR>
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</P>
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<P ALIGN=LEFT><A NAME="CCC"></A><FONT SIZE=5><B>5.3.3 CC-C</B></FONT></P>
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<P ALIGN=LEFT>This system uses PDF417 and can only be used in
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conjunction with a GS1-128 linear component. CC-C can encode up to
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2361 numeric digits or an alphanumeric string of shorter length. To
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select CC-C use <FONT FACE="Courier">--mode=3</FONT>.</P>
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<P ALIGN=LEFT><IMG SRC="ccc.png" NAME="graphics3" ALIGN=LEFT WIDTH=348 HEIGHT=218 BORDER=0><BR CLEAR=LEFT><BR><BR>
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</P>
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<HR>
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<P ALIGN=RIGHT><A HREF="twotrack.html"><FONT COLOR="#0000ff">Next</FONT></A></P>
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<TR VALIGN=TOP>
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<TD WIDTH=33%>
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<P ALIGN=LEFT>Stacked Symbologies</P>
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</TD>
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<TD WIDTH=34%>
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<P ALIGN=CENTER> </P>
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</TD>
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<TD WIDTH=33%>
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<P ALIGN=RIGHT>Two-Track Symbols</P>
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</TD>
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</TR>
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</TABLE>
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