Asynchronous Terminals and Printer Processes Programming Manual

CONTROL, CONTROLBUF, AND SETMODE FOR PRINTERS
SETMODE Operations
NOTE
The 5520 printer (subtype 4) supports the following baud
rates: 110, 150, 300, 600, 1200, 2400, 4800, and 9600.
The 5530 (subtype 6) supports the following baud rates:
75, 150, 300, 600, 1200, 2400, 4800, and 9600.
The default is what was specified at SYSGEN. If none
is specified, 9600 is used.
parameter-2 is not used.
23 = set character size.
parameter-1 = 2 7 bits
3 8 bits
parameter-2 is not used.
24 = set parity generation by system.
parameter-1 = 0 odd
1 even
2 none
parameter-2 is not used.
25 = set form length. For subtype 3:
parameter-1 = length of form in lines
parameter-2 is not used
26 = set or clear vertical tabs. For subtype 3:
parameter-1 = 0 (line-number - 1) where tab is to be set
1 clear all tabs except line 1
NOTE
There is always a vertical tab stop at line 1 (top
of form).
parameter-2 is not used
C-4 November 1987