HP 220240 - Manual (Page 209)

DECVERP—Set Vertical Pitch
CSI Ps z
Where:
Ps = 0 Is determined by the current font.
Ps = 1 Is 1200 centipoints (6 lines/inch).
Ps = 2 Is 900 centipoints (8 lines/inch).
Ps = 3 Is 600 centipoints (12 lines/inch).
Ps = 4 Is 3600 centipoints (2 lines/inch).
Ps = 5 Is 2400 centipoints (3 lines/inch).
Ps = 6 Is 1800 centipoints (4 lines/inch).
Ps = 10 Is 1152 centipoints (66 lines/A-size printable area).
Ps = 11 Is 1152 centipoints (66 lines/A-size printable area).
Ps = 12 Is 864 centipoints (88 lines/A-size printable area).
Ps = 13 Is 576 centipoints (132 lines/A-size printable area).
Ps = 14 Is 3456 centipoints (22 lines/A-size printable area).
Ps = 15 Is 2304 centipoints (33 lines/A-size printable area).
Ps = 16 Is 1728 centipoints (44 lines/A-size printable area).
A–8 Operator’s Guide