Specifications

P25 Development Guide
www.bluebamboo.com
15
GS !
[Name] Select character size
[Format] ASCII GS ! n
HEX 1D 21 n
Decimal 29 33 n
[Range] 0 ≤ n ≤ 255
[Description] Select the character height using bits 0 to 3, and select the character width
using bits 4 to 7, as follows;
Bit7-Bit4(Hex) Character width Bit3-Bit0(Hex) Character height
0 1(normal height) 0 1(normal width)
1 2(double height) 1 2(double width)
2 3 2 3
3 4 3 4
4 5 4 5
5 6 5 6
6 7 6 7
7 8 7 8
[Note]
1 This command is effective for all characters.
2 If n is outside of the defined range, this command is ignored.
3
The ESC ! command can also turn double width and double height modes on
or off.
4
This command should be placed previous than any normal printing characters
in a line.
[Default] n = 00(HEX)
[Reference]
ESC !
GS B
[Name] Turn white/black reverse printing mode On/Off.
[Format] ASCII GS B n
HEX 1D 42 n
Decimal 29 66 n
[Range] 0 ≤ n ≤ 255
[Description] Turn white/black reverse printing mode On/Off.
1 When LSB is 0, white/black reverse printing mode is turned off.
2 When LSB is 1, white/black reverse printing mode is turned on.