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[Data Command]
[ESC] RB; A [LF] B [LF] ABCD [LF] 001 [LF] [NUL]
Link field No. 4
Link field No. 3
Link field No. 2
Link field No. 1
(15) Explanation for Data Matrix
c ECC type
Data Matrix contains a function to correct a code reading error using an error
correction code (ECC) and restore normal data. Since there are several ECCs.
ECC should be designated according to usage. The general correction ability is as
follows. However, it may vary according to the error conditions.
ECC type Error Correction Ability Overhead by ECC
ECC0 0%
ECC50 25%
ECC80 33%
ECC100 50%
ECC140 75%
ECC200 Approx. 30%
d Format ID
Data Matrix can handle all codes including alphanumerics, symbols and Kanji. Since
data compression rate varies according to codes, a code to be used is designated
using the format ID.
Format ID Code Details
1 Numerics 0 to 9 space
2 Letters A to Z space
3 Alphanumerics, symbols 0 to 9 A to Z space . , - /
4 Alphanumerics 0 to 9 A to Z space
5 ASCII (7 bit) 00H to 7FH
6 ISO (8 bit) 00H to FFH (Kanji)
Low
High
A
ABCD
001
*ABCD001*
B
ABCD
001
*ABCD001*