Unisys EFP9800 Set Fundamental Calculation Pitch, Set Printable Area Width, Value of n Default

EFP9800 ESC/POS Commands

•Any printable area that is less than one character wide will be extended to the right enough to print one character. If the area cannot be extended to the right, the left margin will then be reduced. See “ Set Printable Area Width” for more information.

Set Fundamental Calculation Pitch

Sets the fundamental calculation pitch.

Hexadecimal	Decimal	ASCII	Value of n	Default
1D 50 n1 n2	29 80 n1 n2	GS P n1 n2	n1 = 0-255	n1 = 160
			n2 = 0-255	n2 = 144

•The fundamental calculation pitch is set to the following values:

−1/n1 inches (horizontal direction)

−1/n2 inches (vertical direction)

•The pitches are restored to their default values when n1 = 0 and n2 = 0

•This command will not affect the values set by other commands

•When the command is combined with others, the calculation is truncated to the minimum pitch:

1/160 inch (horizontal), 1/144 inch (vertical)

Set Printable Area Width

Sets the width of the printable area as specified by n1 and n2. The default for n1 =144; for n2 = 1. See the illustrations.

Hexadecimal	Decimal	ASCII	Value of n
1D 57 n1 n2	29 87 n1 n2	GS W n1 n2	n1 = 0-255
			n2 = 0-255

The settings do not apply in page mode.

•The following calculation is used to set the width of the printable area: [(n1 + 256 x n2) x (horizontal direction of the fundamental calculation pitch)]. See the Set Fundamental Calculation Pitch command (1D 50).

•The command is valid only at the beginning of a line.

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