PDF417

PDF417

The PDF417 structure is shown in Figure 28 and described on the following pages.

QUIET

SR, SC ZONE POSITION

STOP

CODE

CCW

DATA

FIELD

UPPER

START

GUARD

CODE

BAND

 

 

QUIET

 

ZONE

 

SR, SC

SR, SC

POSITION

LOWER

LOWER

GUARD

GUARD

BAND

BAND

QUIET ZONE

START CODE

DATA FIELD

STOP CODE

QUIET ZONE

CW

UPPER

GUARD

BAND

POSITION

 

UPPER GUARD BAND

 

 

Normal

QUIET

START

DATA FIELD

STOP

QUIET

ZONE

CODE

 

CODE

ZONE

 

 

 

LOWER GUARD BAND

 

 

 

SR, SC

 

 

 

 

POSITION

 

LOWER GUARD BAND

 

 

INV

QUIET

STOP

 

START

QUIET

 

 

 

ZONE

CODE

 

CODE

ZONE

UPPER GUARD BAND

Figure 28. PDF417 Structure

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Image 153
Printronix LQH-HWTM manual Quiet SR, SC Zone Position Stop Code