74 User’s / Programming Guide
Secondary Function Key Tables
IBM 3171/3181/3191 and IBM 3477
ASCII HEX FUNCTION
NUL 00 ESCAPE
SOH 01 ON LINE ENTER (Make/Break)
STX 02 ALT left side Make
ETX 03 ALT left side Break
EOT 04 ON LINE ENTER (Make only)
ENQ 05 FIELD EXIT (Make only)
ACK 06 ENTER right keypad
BEL 07 Cursor up (inner keypad)
BS 08 Cursor dn (inner keypad)
HT 09 Cursor left (inner keypad)
LF 0A Cursor right (inner keypad)
VT 0B TAB FWD
FF 0C DEL (inner keypad)
CR 0D FIELD EXIT (Make/Break)
SO 0E INS (inner keypad)
SI 0F Page Up (inner keypad)
DLE 10 Page Dn (inner keypad)
DC1 11 HOME (inner keypad)
DC2 12 PRINT SCREEN
DC3 13 BACKSPACE
DC4 14 BACKFIELD (Shift TAB)
NAK 15 SCROLL LOCK
SYN 16 F1
ETB 17 F2
CAN 18 F3
EM 19 F4
SUB 1A F5
ESC 1B F6
FS 1C F7
GS 1D F8
RS 1E F9
US 1F F10