Owner's manual

H.2 IBM Proprinter
ASCII
Command
IBM Proprinter
Command Description
NUL Terminates horizontal and vertical tab escape sequences
BEL Sounds the print buzzer
BS Backspace
HT Horizontal tab
LF Line feed
VT Vertical tab
FF Form feed
CR Carriage return
SO Shift out
Selects Double wide mode for the current line
SI Shift in
Selects condensed printing
DC1 Device control 1
Enable printer
DC2 Device control 2
Selects 10 character per inch (10 cpi)
DC3 Device control 3
Disable printer
DC4 Device control 4
Cancels double wide printing
CAN Cancel
Cancel text in the print buffer
ESC - Select/Cancel underlining
ESC 0 Set line spacing to 1/8 inch
ESC 1 Set line spacing to 7/72 inch
ESC 2 Activate line spacing set by ESC A
ESC 3 Set line spacing to n/216 inch
ESC 4 Set top of form at current position
ESC 5 Select/Cancel automatic line feed
ESC 6 Select character set 2
ESC 7 Select character set 1
ESC 8 Disable paper out detector
ESC 9 Enable paper out detector
ESC : Select 12 characters per inch
ESC < Enable one line unidirectional printing
ESC = Start downloading characters
ESC A Set line spacing to n/72 inch
ESC B Set vertical tabs
ESC C Set forms length in lines
H-4