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B-SX4T Series, B-SX5T Series External ... - Toshiba Tec Italia

B-SX4T Series, B-SX5T Series External ... - Toshiba Tec Italia

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[Data Command]<br />

[ESC] RB; A [LF] B [LF] ABCD [LF] 001 [LF] [NUL]<br />

Link field No. 4<br />

Link field No. 3<br />

Link field No. 2<br />

Link field No. 1<br />

A<br />

B<br />

ABCD<br />

001<br />

*ABCD001*<br />

ABCD<br />

001<br />

*ABCD001*<br />

(15) Explanation for Data Matrix<br />

ECC type<br />

Data Matrix contains a function to correct a code reading error using an error<br />

correction code (ECC) and restore normal data. Since there are several ECCs.<br />

ECC should be designated according to usage. The general correction ability is as<br />

follows. However, it may vary according to the error conditions.<br />

ECC type Error Correction Ability Overhead by ECC<br />

ECC0 0%<br />

Low<br />

ECC50 25%<br />

ECC80 33%<br />

ECC100<br />

High<br />

50%<br />

ECC140 75%<br />

ECC200 Approx. 30%<br />

Format ID<br />

Data Matrix can handle all codes including alphanumerics, symbols and Kanji. Since<br />

data compression rate varies according to codes, a code to be used is designated<br />

using the format ID.<br />

Format ID Code Details<br />

1 Numerics 0 to 9 space<br />

2 Letters A to Z space<br />

3 Alphanumerics, symbols 0 to 9 A to Z space . , - /<br />

4 Alphanumerics 0 to 9 A to Z space<br />

5 ASCII (7 bit) 00H to 7FH<br />

6 ISO (8 bit) 00H to FFH (Kanji)<br />

- 129 -

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