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Section 3: IBM Emulation Mode Printer Commands
56
Set Vertical Units
For 249x printers only.
This command lets you set the size of the increments for the following
commands:
• Set Line Spacing for Graphics (ESC 3)
• Move Paper Vertically (ESC J).
Usage Notes
• 4 0 0 0 (decimal), 04 00 00 00 (hex) are constant digits.
• m3 and m4 designate the denominator (the lower number) of a two-part
fraction. The fraction can be 1/180, 1/216, or 1/360, and indicates the frac-
tion of an inch at which line feed spacing increments .
Vertical Tabulation
Set Vertical Tabulation Stops
Sets as many as 64 tabulation stops by line number.
Usage Notes
• Use ESC B to set the tabulation stops and to advance paper to the next ver-
tical tabulation stop (VT) to activate them.
Format ESC [ \ 4 0 0 0 m3 m4
Decimal 27 91 92 4 0 0 0 m3 m4
Hex 1B 5B 5C 04 00 00 00 m3 m4
m3 (Hex) m4 (Hex) Denominator
D8H 00H 216
B4H 00H 180
68H 01H 360
Format ESC B tab settings 0
Decimal 27 66 n1.....n64 0
Hex 1B 42 n1.....n64 00