Code CR1021 Specifikace stáhnout pdf (Strana 86)

Code options

3

OPTICON Universal menu book

U79

3.3.23. Options for QR Code

QR code is a variable size matrix symbology

with selectable error correction levels.

Maximum data capacity:

Model 1:

• alphanumeric data: 707 characters

• 8-bit data: 486 characters

• numeric data: 1167 characters

• kanji data: 299 characters

Model 2:

• alphanumeric data: 4296 characters

• 8-bit data: 2953 characters

• numeric data: 7089 characters

• kanji data: 1817 characters

Symbol size:

Model 1:

• minimum: 21 * 21 modules

• maximum: 73 * 73 modules

Model 2:

• minimum: 21 * 21 modules

• maximum: 177 * 177 modules

Error correction:

Four levels of Reed-Solomon error correction.

Additional features:

• extended Channel Interpretation (ECI, model

2 only): support for different character sets

and data interpretations.

• structured append: represent data in up to 16

QR Code symbols.

Support for these options is reader dependent.

The supported character set and the maximum

decodable number of characters, is 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 3.49.

Options for QR code:

• structured append time out: see read mode

options

• no further options supported

Fig. 3.49. Options for QR Code

data

(1 upto 7089 characters)

QR Code

1 2 ... 81 82 83 84 85 86 87 88 89 90 91 ... 150 151

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