28
(45)
GS w n Set bar code width
Format:
ASCII
GS
w
n
Hex
1D
77
n
Decimal
29
119
n
Range:
2
≤
n
≤
6
GS w n selects the horizontal size of a bar code. n specifies the bar code width as shown below. The
multilevel bar codes are UPC-A, UPC-E, JAN13 (EAN13), JAN8 (EAN8), CODE93, and CODE128. The
binary level bar codes are CODE39, ITF, and CODABAR. The default setting is n=3.
1
2
3
… …
62
63
64
65
66
67
… …
126
127
128
… …
… …
K–2
K–1
K
7 6 5 4 3 2 1 0
Program Example
PRINT #1,CHR$(&H1D);"w";CHR$(3);Set width size to 3
PRINT #1,CHR$(&H1D);"k";CHR$(2);Print bar code
PRINT #1,"496595707379";CHR$(0);
PRINT #1,CHR$(&HA);
PRINT #1,CHR$(&H1D);"w";CHR$(4);Set width size to 4
PRINT #1,CHR$(&H1D);"k";CHR$(2);Print bar code
PRINT #1,"496595707379";CHR$(0);
PRINT #1,CHR$(&HA);
PRINT #1,CHR$(&H1D);"w";CHR$(5);Set width size to 5
PRINT #1,CHR$(&H1D);"k";CHR$(2);Print bar code
PRINT #1,"496595707379";CHR$(0);
PRINT #1,CHR$(&HA);
(yL +yH
×
256) dot
(xL +xH
×
256)
×
8dot =512 dot
most significant bit
least significant bit
