Specifications

Control Codes
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Appendix B: ASCII Table — 7 Bit
Control Codes
A table of the printable ASCII characters is provided on the next page.
Dec Hex Ctrl Mnem Name Dec Hex Ctrl Mnem Name
0 0 ^@ NUL Null (all zero) 16 10 ^P DLE Data link escape
1 1 ^A SOH Start of header 17 11 ^Q DC1 Device ctrl 1/XON
2 2 ^B STX Start of text 18 12 ^R DC2 Device ctrl 2
3 3 ^C ETX End of text 19 13 ^S DC3 Device ctrl 3/XOFF
4 4 ^D EOT End of transmission 20 14 ^T DC4 Device ctrl 4
5 5 ^E ENQ Enquiry 21 15 ^U NAK Negative ACK
6 6 ^F ACK Acknowledge 22 16 ^V SYN Synchronous idle
7 7 ^G BEL Bell 23 17 ^W ETB End trans. block
8 8 ^H BS Backspace 24 18 ^X CAN Cancel
9 9 ^I HT Horizontal tab 25 19 ^Y EM End of medium
10 A ^J LF Line feed 26 1A ^Z SUB Substitute
11 B ^K VT Vertical tab 27 1B ^[ ESC Escape
12 C ^L FF Form feed 28 1C ^\ FS File separator
13 D ^M CR Carriage return 29 1D ^] GS Group separator
14 E ^N SO Shift out 30 1E ^^ RS Record separator
15 F ^O SI Shift in 31 1F ^_ US Unit separator