IBM 3174 Reference Manual page 186

ASCII Station Setup and Switch Settings
IBM 3151 ASCII Display Station
Setup Hem
Selection
Note
General
MACHINE MODE
IBM 3151
SCREEN
2
ROW AND COLUMN
24x80
SCROLL
OFF
4
AUTOLF
OFF
CRT SAVER _
LINE WRAP
OFF
FORCING INSERT
TAB
TERMINAL ID
—
PRINT
N/A
Communication
OPERATING MODE
ECHO
LINESPEED (bps)
—
1.3
WORDLENGTH (bps)
7
PARITY
. . .
1,3
STOP BIT
—
1.3
TURNAROUND CHARACTER
OR
INTERFACE
EIA-232C
LINE CONTROL
PRTS
BREAK SIGNAL (ms)
500
SEND NULL SUPPRESS
PACING
N/A
Keyboard/Printer — Keyboard
ENTER
RETURN
RETURN
NEW LINE
NEW LINE
OR
SEND
—
INSERT CHARACTER
SPACE
Keyboard/Printer -
- Printer
LINE SPEED (bps)
—
3
WORD LENGTH (bits)
7
PARITY
—
3
STOP BIT
—
3
CHARACTERS
. . .
2
Notes:
1. This setting must match the configuration of the 3174.
2. The function designated by this item has no effect on 3174 operation.
3. The selection for the auxiliary port must match the configuration of the connected printer.
4. SCROLL must be set to either Jump or Smooth.
Appendix B. Using a Modem and an ASCII Terminal With the 3174 Asynchronous Emulation Adapter B-9