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Bar code symbology identifiers.

Note : what is symbology identifier? Read here.

Structure of the Symbology identifier (SI) :
- contain three chars:
] - SI indicator
c - Symbology Identification
m - modifier

Sequence

Symbology

]d2GS1 DataMatrix
]C1GS1 128 symbol
]e0GS1 Databar
]I0ITF14, check digit was not transmitted by the scanner
]I1GS1 ITF14, check digit has been validated and transmitted by the scanner
]E0EAN-8, EAN-13, UPC-A or UPC-E
]E1Two digit Add-On symbol
]E2Five digit Add-On symbol
]E3EAN-13, UPC-A or UPC-E with Add-On symbol
]E4EAN-8
]ACode 39
]BTelepen
]CCode 128
]DCode One
]EEAN/UPC
]FCodabar
]GCode 93
]HCode 11
]IITF (Interleaved Two of Five)
]KCode16K
]LPDF417 / Micro DPF417
]L0Reader set to conform with protocol defined in 1994 PDF417 symbology specifications.

When this option is trasmitted, the receiver connot determine reliably whether ECIs have bebb invoked, nor whether data byte 92 has been doubled in transmission.
]L1Reader set follow the protocol of this standard for Exctended Channel Interpretation. All data characters 92 are doubled.
]L2Reader set follow the protocol of this standard for Basic Chanel operation. Data characters 92 are not doubled.

When decoders are set to this mode, unbuffered Structued Append symbols and symbols requiring the decored by convey ECI sequences cannot be transmitted.
]L3Code 128 emulation : implied FNC1 in first position
]L4Code 128 emulation : implied FNC1 after initial letter or pair odf digits
]L5Code 128 emulation: no implied FNC1
Note : Modifier 3,4,5 are applicable only to Micro PDF417 symbols.

]MMSI code
]NAnker code
]OCodaBlock
]PPlessey code
]RStraight 2 of 5 (two bar start/stop codes)
]SStraight 2 of 5 (three bar start/stop codes)
]TCode 49
]XOther code
]ZNo barcode data

Modifiers for Code 39

0No check character or Full ASCII
1Reader has performed mod 43 check
2Reader has performed mod 43 check and stripped the check character
4Reader has performed Full ASCII conversion

Modifiers for Telepen

0Full ASCII mode
1Double density numeric mode
2Double density numeric followed by full ASCII
4Full ASCII followed by double density numeric

Modifiers for Code128

0Standard Code 128
1Function code 1 in first character position
2Function code 2 in second character position
4Concatenation according to ISBT specification has been performed, and concatenated data follows.