One-dimensional bar codes
33
3 Bar Pitch 14-18 (hex)
20-24 (dec)
16 (hex)
22 (dec)
Sets the number of bars that print per inch
4 Tracker Height 66-98 (hex)
102 -152 (dec)
7F (hex)
127 (dec)
Sets the tracker height in 1/100 mm
5 Ascender,
Descender Offset
A0-D8 (hex)
160-216 (dec)
BC (hex)
188 (dec)
Sets the ascender and descender offset in
1/100 mm; the total height of an ascender
or descender will be the sum of this field
and the tracker height
6-15 Reserved
Note: The bar code data sent with Singapore Post will consist of either a 6-character or 4-character string.
Invalid characters or lengths will be flagged with an error. String lengths of 4 characters imply a BRS license
number.
Byte Field name Range
Default
value
Description