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E. Appendix E
– ASCII Character Tables
ASCII Control Code Definitions
The following table is provided as a reference to the control character descriptions as provided by the ASCII
definition. Not all of these definitions are supported by Printek printers and some are emulation dependent.
For more information consult the appropriate chapter for the emulation being used.
Control
Hexadecimal
Code
Value
Description
─────────── ─────────────
───────────
NUL
00
Null
SOH
01
Start of Heading
STX
02
Start of Text
ETX
03
End of Text
EOT
04
End of Transmission
ENQ
05
Enquiry
ACK
06
Acknowledge
BEL
07
Bell
BS
08
Backspace
HT
09
Horizontal Tabulation
LF
0A
Line Feed
VT
0B
Vertical Tabulation
FF
0C
Form Feed
CR
0D
Carriage Return
SO
0E
Shift Out
SI
0F
Shift In
DLE
10
Data Link Escape
DC1
11
Device Control 1 (XON)
DC2
12
Device Control 2
DC3
13
Device Control 3 (XOFF)
DC4
14
Device Control 4
NAK
15
Negative Acknowledge
SYN
16
Synchronous Idle
ETB
17
End of Transmission Block
CAN
18
Cancel
EM
19
End of Medium
SUB
1A
Substitute
ESC
1B
Escape
FS
1C
File Separator
GS
1D
Group Separator
RS
1E
Record Separator
US
1F
Unit Separator