Cognitive Solutions A799 Manual De Usuario

Chapter 4: Programming Commands

 51

Revision D 12/09

A799-PG00001D

These commands control what the printed information looks like, selection of character sets, definition of custom-defined 
characters, and setting of margins. The commands are described in order of their hexadecimal codes.
The commands describe operation for 80mm paper. If the printer supports 82.5mm paper, the dot spacing is the same but 
there are 640 printable dots rather than 576 printable dots on 80mm paper.

DC2 

Hexadecimal  12 

18

Prints double-wide characters. The printer is reset to single-wide mode after a line has been printed or the clear printer 
(0x10) command is received. Double-wide characters may be used in the same line with single-wide characters.

Double-wide characters may not be used in the same line with single or double-density graphics.

This command is ignored in LEGACY emulation.

DC3 

Hexadecimal  13 

19

Prints single-wide characters. Single-wide characters may be used in the same line with double-wide characters.

Single-wide characters may not be used in the same line with single or double-density graphics.

This command is ignored in LEGACY emulation.

ESC DC2 

Hexadecimal  1B 12 

27 18

Rotates characters 90 degrees counter-clockwise. The command remains in effect until the printer is reset or until a clear 
printer (0x10), select or cancel upside down print (1b 7b) or cancel rotated print (1b 56) command is received.

This command is valid only at the beginning of a line.
Rotated print and non-rotated print characters cannot be used together in the same line.

See “Summary of rotated printing” in this document.
This command is ignored in LEGACY emulation.