7197 Series II Owner’s Guide Chapter 6: Commands
August 2011
98
Set Left Margin
ASCII: GS L nL nH
Hexadecimal: 1D 4C nL nH
Decimal:
29 76 nL nH
Range of nL:
0 - 255
Range of nH:
0 - 255
Default:
80 mm width
576 dots (the maximum printable area)
58 mm width
424 dots (the maximum printable area)
Sets the left margin of the printing area. The left margin is set to (((nH X 256) + nL) times
horizontal motion unit) inches. The horizontal motion units are set by the Set Horizontal
and Vertical Minimum Motion Units command (1D 50), described in this manual.
The width of the printing area is set by the Set Printing Area Width command (1D 57),
which follows this command. See the Set Printing Area Width command (1D 57) in this
document for a description of that command.
If the setting exceeds the printable area, the maximum value of the printable area is used.
The maximum printable area is 576 dots. See the illustration.
Formulas:
To set the left margin to one inch at the default horizontal motion unit of 1/203 inches,
send the four-byte string:
GS L 203 0
Or, to set the left margin to two inches at the default horizontal motion unit of 1/203 units
per inch, send the four-byte string:
GS L 150 1
Where 2 inches = 406/203, and 406 = (1 X 256) + 150.
- Printable area: 576 dots for 80 mm width, 424 dots for 58 mm width
Left margin Printing area width
Example:
MSComm1.Output = Chr$(&H1D) & Chr$(&H4C) & Chr$(nL) & Chr$(nH)
Exceptions:
The command is effective only at the beginning of a line.
This command is ignored if the line buffer is not empty.
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