Code Soft TP-290XIII Programmer's Manual page 19

30、GS ! n Select character size
[Format] ASCII
Hex
Decimal
0 ≤ n ≤ 255
[Range]
(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
0-3
4-7
Character height
Hex Decimal
00 0
10 16
GS !
1D 21
29 33
0/1 Hex
Character height selection. See Table 2.
Character height selection. See Table 1.
Table 1
Horizontal
1 (Normal)
2 (Double
width)
THERMAL RECEIPT PRINTER
n
n
n
Decimal Function
Character height
Hex Decimal
00 0
01 1
Table 2
Vertical
1 (Normal)
2 (Double
width)
18