Tally Genicom Matrix Printer manual Csi ... Sp

Select Size Unit (SSU)					CSI ... SP I
Data Structure ASCII	CSI	n	SP	"I"	[B] select size unit
hex.	9B	n	SP	49
dec.	155	n	SP	73

Description For n the following parameters are available:

n	hex.	dec.	size unit
0	30	48	Decipoints (1⁄720 inch = 0,0353 mm)
1	31	49	Millimeters
2	32	50	Decipoints (0,0353 mm)
3	33	51	Decididots (0,0376 mm)
4	34	52	Mils (1⁄1000 inch = 0,0254 mm)
5	35	53	Basic Measuring Unit BMU (1⁄1200 inch = 0,02117 mm)
6	36	54	Micrometer (0,001 mm)	➊
7	37	55	Pixels

➊This unit is machine dependent and may be of different size horizontally and vertically. Page printers support typically 200, 300 or 600 dpi, matrix printers e.g. 180 or 360 dpi.

Example:
CSI	720	SP	I
1B 55	37 32 30	20	49

results in one inch

By default the size unit is the decipoint. Other size units may not be available due used printer type.

PUM must be set to ON (see page 7)

8Paper and Text Formatting