TallyGenicom Matrix Printer Programmer's Manual page 22

Line/Character Spacing
Command
ESC [(p1); (p2)
<SP> G
7265 Programmer's Manual
Copyright © 2004 TallyGenicom
Description
LINE/CHARACTER SPACING
Sets the vertical and horizontal pitch in decipoints. Parameter (p1) is the
spacing between lines and (p2) is the spacing between characters.
Unspecified parameters remain at their current values. This command
does not affect oversized printing selected by ESC [1t.
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Chapter 2 ANSI