Chapter 5: Programming commands  53

Or, to set the width of the printing area to two inches at the default horizontal motion unit of 1/203 units per inch, send the four-byte string:

GS W 150 1

Where 2 inches = 406/203, and 406 = (1 X 256) + 150.

Exceptions

This command is effective only at the beginning of a line. If the setting exceeds the printable area, the maximum value of the printable area is used. The maximum printable area is 576 dots on the receipt and 420 dots on the slip.

Recept St to



   

 

  





Slp St to

    

 

  





Text characteristics commands

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.

Select double-wide characters

ASCII DC2

Hexadecimal 12

Decimal 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.

Select single-wide characters

ASCII DC3

Hexadecimal 13

Decimal 19

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

Select 90 degree counter-clockwise rotated print

ASCII

ESC DC2

Hexadecimal

1B 12

Decimal

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.

Exceptions

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.

Related information

See “Summary of rotated printing” in this document.

A776-PG00001 C 12/09

A776 (B780) Programming Guide

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Cognitive Solutions A776, B780 Text characteristics commands, Select double-wide characters, Select single-wide characters
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B780, A776 specifications

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