Bulletin 2755
Single/Dual-Head Enhanced Bar Code Decoders
Product Data
25
Figure 3
Bar Code Host Message Format
ASCII BAR CODE DATA
11. End Message (0 to 3)
10. Performance Indicators. (0 or 6)
9. Package Count (0 or 6–DD, 0 or 3–DS)
7. Field Delimiter (0 or 1)
6. Bar Code Data or No-Read Message (0 to 64 characters, including start, stop, and check characters.
Up to 64 characters will be sent for each field read. (Codabar Stop Character follows Codabar Check
Characters, if sent.) The results of the Host Replacement Rules or the No-Read Replacement Strings (if
enabled) will be sent in this position.
5. Symbology (0 or 2)
4. Field Delimiter (0 or 1)
3. Header Message (0 to 32)
2. Source Identifier (0 to 4)
1. Start Character (0 or 1)
8. Field Delimiter (0 or 1)
12. Transmission Check (0 to 2)
In messages containing multiple bar code data strings, each string will be
separated by a single field delimiter. A double delimiter follows the final
string.
