Keys used to send 7-bit control characters

Control character mnemonic ASCII value Key pressed with Ctrl (all modes)
SOH 1 A
STX 2 B
ETX 3 C
EOT 4 D
ENQ 5 E
ACK 6 F
BEL 7 G
BS 8 H
HT 9 I
LF 10 J
VT 11 K
FF 12 L
CR 13 M
SO 14 N
SI 15 O
DLE 16 P
DC1 17 Q (see note below)
DC2 18 R
DC3 19 S (see note below)
DC4 20 T
NAK 21 U
SYN 22 V
ETB 23 W
CAN 24 X
EM 25 Y
SUB 26 Z
Note: 7-bit control codes sent only when XON/OFF support is off.