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186

Chapter 3 Bar Codes

UPC-E and UPC-E0

The UPC-E and UPC-E0 bar code structure is shown in Figure 38 and

described on the following pages.

Figure 38

. UPC-E and UPC-E0 Structure

STAR

T

CODE

QUIET

ZONE

QUIET

ZONE

DATA

FIELD

STOP

CODE

NUMBER

SYSTEM

CHARACTER

N

OPTIONAL

CHECK

DIGIT

HEIGHT

SR, SC

C

CHECK

DIGIT

CHARACTER

N

START CODE

NUMBER

QUIET

ZONE

SR, SC

POSITION

QUIET

ZONE

C

CHECK

DIGIT

STOP CODE

CHECK

DIGIT

SYSTEM

DATA

FIELD

NUMBER

CHARACTER

CHARACTER

POSITION

OPTIONAL

READABLE

DATA

FIELD

FIELD

NUMBER SYSTEM

CHARACTER FIELD

CHARACTER

SYSTEM

READABLE

DATA FIELD

C

STOP CODE

CHECK

QUIET

ZONE

SR, SC

POSITION

QUIET

ZONE

N

DIGIT

DATA

FIELD

2- or 5-

DIGIT

ADD-ON

CODE

OPTIONAL

READABLE

DATA

FIELD

CHARACTER

NUMBER

SYSTEM

CHARACTER

START CODE

DATA

C

N

2- or 5-

DIGIT

ADD-ON

CODE

FIELD

QUIET

ZONE

QUIET

ZONE

HEIGHT

CHECK DIGIT

CHARACTER

NUMBER SYSTEM

CHARACTER

2- or 5-

DIGIT

ADD-ON

CODE

2- or 5-

DIGIT

ADD-ON

CODE

HEIGHT

HEIGHT

Normal

INV

CCW CW

NUMBER SYSTEM

CHARACTER FIELD

OPTIONAL

READABLE

DATA FIELD

FIELD

CHECK

DIGIT

FIELD

NUMBER SYSTEM

CHARACTER FIELD

CHECK

DIGIT

FIELD

FIELD

START CODE

STOP CODE