Compuprint 4051 - Manual (Page 39)

Configuring the Printer
33
PITCH Key
↓
Normal Function The ↓ function is available when the printing is not printing and
allows to move backwards the paper with a micro advancement.
Keeping pressed this key for a second, the paper moves backwards in
continuous mode at the speed of 3.5 ips (slew speed).
PITCH Shift Function The pitch function allows you to select the available horizontal
spacing. Keeping pressed this key or pressing it within a second the
spacings will be scrolled. Release the key when the desired spacing is
displayed or do not press it again within a second. Available
horizontal spacings (CPI): 5 - 6 - 7.5 - 8.55 - 10 - 12 - 15
- 17.1 - 20
↓
Program Function The
↓ function allows to scroll downwards the functions that are in a
level, or to scroll downwards the function values if you are at a
selection level. The numeric values are decremented.