15 2D code object
15.3 Structure of a Data Matrix code
A Data Matrix code consists of the following basic code elements: a quiet zone, a timing
pattern, a border and the data area.
The structure of a Data Matrix code is depicted in the following illustration:
(1)
(2)
(4)
(3)
(1)
Quiet zone
(2)
Timing pattern
(3)
Data area
(4)
Border
 
Remarks
• Data Matrix code requires a quiet zone on all sides that is at least one module wide.
• The data area consists of square dark (black) and light (white) data modules.
Related topics
Create a 2D code object (page 167)
Data Matrix symbol sizes and data capacity (page 165)
15.4 Data capacity information
15.4.1 QR Code Model 1 versions and data capacity
Each QR Code Model 1 version can encode a maximum amount of data (numeric,
alphanumeric, byte, Kanji).
QR Code has error correction capability to restore data if the code is dirty or damaged. Four
selectable levels of error correction are available: L (7%), M (15%), Q (25%) and H (30%).
ME-NAVIS2-OP-1 159
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