To Next Page

To Previous Page

One-dimensional bar codes

Bar code descriptor for RM4SCC British Royal Mail 4-State customer code symbol

3 Bar Pitch 20–24 (dec)

14–18 (hex)

22 (dec)

16 (hex)

Sets the number of bars that print per inch

4 Tracker Height 102–152 (dec)

66–98 (hex)

127 (dec)

7F (hex)

Sets the tracker height to 1/100 mm

5 Ascender,

Descender Offset

160–216 (dec)

A0–D8 (hex)

188 (dec)

BC (hex)

Sets the ascender and descender offset in

1/100 mm

The total height of an ascender or

descender is the sum of this field and the

tracker height.

6–15 Reserved — — —

Note: The bar code data sent with Singapore Post consists of either a 6-character or 4-character string.

Invalid characters or lengths are flagged with an error. String lengths of 4 characters imply a BRS license

number.

Byte Field name Range

Default

value

Description

0–1 Symbology ID — 22 (dec)

00 16(hex)

Selects British Royal Mail 4-State customer

code symbology

2 Bar Width 38–63 (dec)

26–3F (hex)

50 (dec)

32 (hex)

Sets the bar width to 1/100 mm