[Default]
n = 0
[Reference]
GS P
ESC ! n
[Name]
Select print mode
[Format]
ASCII
ESC
!
n
HEX
1B
21
n
Decimal
27
33
n
[Range]
0 <= n <= 255
[Description]
Selects print mode(s) using n as follows.
[Notes]
Bit
Off/On
Hex
Decimal
Function
0
Off
00
0
Character font A (12x24)
On
01
1
Character font B (9x17)
1
-
-
-
Undefined
2
-
-
-
Undefined
3
Off
00
0
Emphasized mode not selected
On
08
8
Emphasized mode selected
4
Off
00
0
Double-height mode not selected
On
10
16
Double-height mode selected
5
Off
00
0
Double-width mode not selected
On
20
32
Double-width mode selected
6
-
-
-
Undefined
7
Off
00
0
Underline mode not selected
On
80
128
Underline mode selected
1) When both double-height and double-width modes are selected,
quadruple size characters are printed.
2) The printer can underline all characters, but can not underline the
space set by
HT
.
3) The thickness of the underline is that selected by ESC -, regardless
of the character size.