M-S Cash Drawer A794 사용자 설명서
A794 Owner’s Guide
Chapter 6: Programming Information
December 1999
73
Set Absolute Starting Position
ASCII
ESC $ nL nH
Hexadecimal
1B 24 nL nH
Decimal
27 36 nL nH
Value of n:
n =
Number of dots to be moved from the beginning of the line.
nL = Remainder after dividing n by 256.
nH = Integer after dividing n by 256.
nH = Integer after dividing n by 256.
The values for nL and nH are two bytes in low byte, high byte word orientation.
Sets the print starting position to the specified number of dots (up to the right margin)
from the beginning of the line. The print starting position is reset to the first column
after each line.
from the beginning of the line. The print starting position is reset to the first column
after each line.
Formulas
The example shows how to calculate 280 dots as the absolute starting position.
28 x 10 =
280 dots (beginning of column 29)
280/256 =
1, remainder of 24
nL = 24 nH =
1
Related Information
If the Set Horizontal and Vertical Motion Units command (1D 50) is used to change the
horizontal and vertical minimum motion unit, the parameters of the Set Relative Print
Position command will be interpreted accordingly. For more information, see the
description of the command Set Horizontal and Vertical Minimum Motion Units
command (1D 50) in this document.
horizontal and vertical minimum motion unit, the parameters of the Set Relative Print
Position command will be interpreted accordingly. For more information, see the
description of the command Set Horizontal and Vertical Minimum Motion Units
command (1D 50) in this document.
Compatibility Information (A794 receipt vs. A793 receipt)
There is a difference in the normal behavior of this command in A794 Emulation Mode
as compared to the original A793. The difference exists when the command is used to
move to the left. The A793 processes the whole print string prior to putting it in the
buffer for the print head. This method of processing allows the A793 to backup in the
print string and replace characters and their associated attributes when a “Set Relative
Print Position” command instructs the printer to move the print position to the left.
as compared to the original A793. The difference exists when the command is used to
move to the left. The A793 processes the whole print string prior to putting it in the
buffer for the print head. This method of processing allows the A793 to backup in the
print string and replace characters and their associated attributes when a “Set Relative
Print Position” command instructs the printer to move the print position to the left.
In order to improve the speed of printing, the A794 moves the data into a buffer for the
printhead when it receives it. When the “Set Relative Print Position” command contains
a move to the left, this causes the new data to overstrike the previous data. This
behavior can be used to an application’s advantage to provide the ability to create
compound characters on the receipt station.
printhead when it receives it. When the “Set Relative Print Position” command contains
a move to the left, this causes the new data to overstrike the previous data. This
behavior can be used to an application’s advantage to provide the ability to create
compound characters on the receipt station.
This command also functions differently in the A793 Emulation when used in graphics:
n x 2 = Number of dots to be moved from the beginning of the line when this
command is followed by a graphics command.