THERMAL RECEIPT PRINTER
18
30
、
GS ! n Select character size
[Format]
ASCII
GS
!
n
Hex
1D
21
n
Decimal
29
33
n
[Range]
0
≤
n
≤
255
(1
≤
vertical number of times
≤
8, 1
≤
horizontal number of times
≤
8)
[Description]
Selects the character height using bits 0 to 2 and selects the character width
usingbits 4 to 7, as follows:
Bit
0/1
Hex
Decimal
Function
0-3 Character height selection. See Table 2.
4-7 Character height selection. See Table 1.
Table 1 Table 2
Character height
Character height
Hex
Decimal
Horizontal Hex
Decimal
Vertical
00
0
1 (Normal)
00
0
1 (Normal)
10
16
2 (Double
width)
01
1
2 (Double
width)
