- 65 -
3.3.21. Options for Aztec
Aztec code is a variable size matrix symbology with selectable error correction levels.
Maximum data capacity:
Standard Aztec:
alphanumeric: 3067 characters
numeric: 3832 characters
byte: 1914 characters Aztec runes:
values 000 up to 255 ( 3 digits )
Symbol size:
Standard Aztec:
minimum: 15 * 15 modules
maximum: 151 * 151 modules
Aztec runes:
fixed: 11 * 11 modules
Error correction:
User selectable Reed-Solomon error correction levels from 5% to 95% of data region.
Additional features:
extended Channel Interpretation (ECI): support for different character sets and
data interpretations
structured append: represent data in up to 26 Aztec symbols
mirror image: decode symbol in mirror reversal presentation
Support for these options is reader dependent. The supported character set and the
maximum decodable number of characters are reader dependent.
Encodable characters:
ASCII values 0 - 127 ( ISO 646 )
ASCII values 128 - 255 ( ISO 8859-1, Latin alphabet No. 1, extended ASCII )
with ECI: many other character sets
For string format see figure 3.47.