Olivetti PR 4 Programmer's Manual page 52

ESC - n
Journal tab
Hexadecimal code: 1B 2D n
n = 0, 1, 48, 49
Range:
Turns underline mode on or off. If n = 0 or 48, turns off underline mode. If n = 1 or 49, turns on
underline mode.
- This command and ESC ! turn underline mode on or off in the same way.
Notes:
- If the value of n is out of the specified range, the printer ignores this command.
Default: n = 0
References: ESC !
ESC 2
Select 1/6-inch line spacing
Hexadecimal code: 1B 32
Selects 1/6-inch line spacing.
Notes: - This command is available only for paper type(s) selected by ESC c 1.
References: ESC c 1
ESC 3 n
Set line spacing
Hexadecimal code: 1B 33 n
Range: n = 0-255
Sets the line spacing to [n x vertical motion unit] inches.
Notes: - This command is available only for paper type(s) selected by ESC c 1.
n = 24 (1/6 inch)
Default:
References: ESC c 1, GS P
ESC <
Return home
Hexadecimal code: 1B 3C
Moves the print head to the leftmost position, then moves it rightmost position.
Notes: - The leftmost hand is detected by the home position sensor.
- Since the home position is detected when this command is executed, the printing position
may shift after this command is executed.
4-16 Epson TM-U950 Commands