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Chapter 8
Bar Codes
428LT Operator’s Manual - 880040-0200
8-15
Edifact Encoding Scheme
X12 encoding scheme includes 63 ASCII values (values from 32 to 94) plus an Unlatch
character (binary 011111) to return to ASCII encoding. Edifact encoding encodes four data
characters in three codewords.
Codeword
Data and/or Function
1 - 128
ASCII data (ASCII value +1)
129
Pad Character
130 - 229
2 digit data 00 – 99 (Numeric Value + 130)
230
Latch to C40 Encoding Scheme
231
Latch to Base256 Encoding Scheme
232
FNC1
233
Structured Append
234
Reader Programming
235
Upper Shift (shift to Extended ASCII)
236
05 Macro
237
06 Macro
239
Latch to Text Encoding Scheme
241
ECI Character
Table 8-7
ASCII Codeword Values
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