Data I/O 298 Manual page 158

ASCII Control Characters
ACK acknowledge
BEL bell
BS
backspace
CAN cancel
CR carriage return
DC1 playback on, CNTL 0, X-ON
DC2 record on, CNTL
R,
PUNCH-ON, SOM
DC3 playback off, CNTL S, X-OFF
DC4 record off, CNTL T, PUNCH-OFF, EOM
DEL delete, rubout
OLE data link escape
EM
end of medium
ENO enquiry
EQT
end of transmission
ESC
escape
ETB
end of transmission block
ETX end of text
FF form feed
FS file separater
GS group separater
HT
horizontal tabulation
LF
line feed
NAK negative acknowledge
NUL null
RS record separater
SI shift in
SO shift out
SCH start of heading
STX
start of text
SUB
substitute
SYN
synchronous idle
US unit separater
VT vertical tab
D-8
10-990-0013