Cognitive Solutions A799 Manual De Usuario

Chapter 4: Programming Commands

 45

Revision D 12/09

A799-PG00001D

The horizontal positioning commands control the horizontal print positions of characters on the receipt.
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 the 80mm paper.

HT 

Hexadecimal  09 

9

Moves the print position to the next tab position set by the set horizontal tab positions (1B 44 n1 n2 ... 00) command. The 
print position is reset to column one after each line.
Tab treats the left margin as column one, therefore changes to the left margin will move the tab positions.
When no tabs are defined to the right of the current position, or if the next tab is past the right margin, line feed is 
executed. HT has no effect in page mode.
Print initialization sets 32 tabs at column 9, 17, 25…

GS P x y 

Hexadecimal  1D 50 x y 

29 80 x y

Horizontal

Value of y: 

Vertical

Range of x: 

0 – 255

Range of y: 

0 – 255

Default of x: 

203

Default of y: 

203

Sets the horizontal and vertical motion units to 1/x inch and 1/y inch respectively.
When x or y is set to 0, the default setting for that motion unit is used.

ESC DC4 n 

Hexadecimal  1B 14 n 

27 20 n

Value of n: 

1 – 44 = Standard pitch 

1 – 56 = Compressed pitch

Default of n: 

1

Prints the first character of the next print line in column n. It must be sent for each line not printed at column one. The 
value of n is set to one after each line.

This command cannot be used with single- or double-density graphics.

This is ignored in LEGACY emulation and the parameter byte goes into the print buffer.