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Where:
n enables or disables upside-down printing.
X'00' Disable upside-down printing.
X'01' Enable upside-down printing.
Default:
n = X'00'
Purpose:
The print data appears upside down when data is printed normally. This
command allows the data to be right-side up as it comes out of the printer.
Remarks:
v When upside-down printing is enabled, the last line of data must be sent
to the print first.
v This command is valid only at the beginning of a printer line.
Select character size for scalable fonts
This command is only supported in the thermal station.
Syntax:
GS ! n or X'1D21;n'
Where:
n Defines the height and width of a character. The four least
significant bits (LSBs) specify the height and the four most
significant bits (MSBs) specify the width of the character. See
Table 11.
For example, if n=X'14' the scaled character will be twice the
defined width and five times the defined height.
Table 11. Width and height for scalable fonts
Four MSBs (in
hex)
Character Width Four LSBs (in
hex)
Character Height
0 As defined 0 As defined
1 2 × defined width 1 2 × defined height
2 3 × defined width 2 3 × defined height
3 4 × defined width 3 4 × defined height
4 5 × defined width 4 5 × defined height
5 6 × defined width 5 6 × defined height
6 7 × defined width 6 7 × defined height
7 8 × defined width 7 8 × defined height
Default:
n=00
Purpose:
To select the size of a character.
Remarks:
v This command is valid only in the thermal print station.
Chapter 2. Communication parameters 53