Samsung STP131 Series Operator's Manual page 19

GS ! n
[Name] Select character size.
[Format] ASCII GS !
Hex 1D 21
Decimal 29 33
0 < n < 255
[Range]
(1 < vertical number of times < 8, 1 < horizontal number of times < 8)
[Description] Selects thecharacter height using bits 0 to 2 and selects the character width
using bits 4 to 7, as following:
Bit Off/On Hex Decimal
n
0-1 Character height selection. See Table 2
4-5 Character width selection. See Table 1
Table 1
Character Width Selection
Hex
Decimal Width
00 0 1(normal)
10 16 2(double-width)
GS x y d1...d(x y 8)
x x
*
[Name] Deffine downloaded bit image.
[Format] ASCII GS
*
Hex 1D 2A
Decimal 29 42
0 < n < 255
[Range]
1 < y < 255
y < 1536
x
x
0 < d < 255
[Description] Defines a downloade'd bit image using the dots specified by x any y.
x indicates the number of dots in the horizontal direction.
y indicates the number of dots in the vertical direction.
n
n
n
Function
Table 2
Character Height Selection
Hex
Decimal Width
00 0 1(normal)
01 1 2(double-width)
x y d1...d(x y 8)
x x
x y d1...d(x y 8)
x x
x y d1...d(x y 8)
x x
GS / m
[Name] Print downloaded bit image.
[Format] ASCII
Hex
Decimal
0 < m < 3, 48 < m < 51
[Range]
[Description] Prints a downloaded bit image using the mode specified by m.
m selects a mode from the table below:
m Mode
0, 48 Normal
1, 49 Double-width
2, 50 Double-height
3, 51 Quadruple
GS :
[Name] Start/End macro definition.
[Format] ASCII
Hex
Decimal
[Description] Starts or ends macro definition.
GS B n
[Name] Turn white/black reverse printing mode on/off.
[Format] ASCII
Hex
Decimal
0 < n < 255
[Range]
[Description] Turn on or off white/black reverse printing mode.
When the LSB is 0, white/black reverse printing mode is turned off.
When the LSB is 1, white/black reverse printing mode is turned on.
37 38
GS / m
1D 2F m
29 47 m
Vertical Dot Density(DPI) Horizontal Dot Density(DPI)
180 180
180 90
90 180
90 90
GS :
1D 3A
29 58
GS B n
1D 42 n
29 66 n