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Code 128
Product Reference Guide
117
Code 128 — continued
Length Control
Fixed Length Decoding—
When fixed length decoding is enabled, the scanner will decode a
bar code if the label length matches one of the configurable fixed lengths.
Variable Length Decoding—
When variable length decoding is enabled, the scanner will
decode a bar code if the label length falls in the range of the configurable Length 1 and Length 2
values.
Configuring Fixed Length Decoding:
1. Scan the START bar code.
2. Scan the Fixed Length Decoding bar code.
3. Scan the END bar code.
4. Set Length 1 to the first fixed length by following the
Code 128 Length 1, Length 2 Pro-
gramming Instructions
below.
5. Set Length 2 to the second fixed length (or to ‘00’ if there is only one fixed length) by fol-
lowing the
Code 128 Length 1, Length 2 Programming Instructions below.
Configuring Variable Length Decoding:
1. Scan the START bar code.
2. Scan the Variable Length Decoding bar code.
3. Scan the END bar code.
4. Set Length 1 to the first variable length by following the
Code 128 Length 1, Length 2 Pro-
gramming Instructions
below.
5. Set Length 2 to the second variable length by following the
Code 128 Length 1, Length 2
Programming Instructions
below.
START / END
PROGRAMMING bar codes
Variable Length Decoding
DEFAULT
Fixed Length Decoding