Decimal | Symbol | Meaning |
0 | NUL | Null character |
1 | SOH | Start of Header |
2 | STX | Start of Text |
3 | ETX | End of Text |
4 | EOT | End of Transmission |
5 | ENQ | Enquiry |
6 | ACK | Acknowledgment |
7 | BEL | Bell |
8 | BS | Backspace |
9 | HT | Horizontal Tab |
10 | LF | Line feed |
11 | VT | Vertical Tab |
12 | FF | Form feed |
13 | CR | Carriage return |
14 | SO | Shift Out |
15 | SI | Shift In |
16 | DLE | Data Link Escape |
17 | DC1 | Device Control 1 (oft. XON) |
18 | DC2 | Device Control 2 |
19 | DC3 | Device Control 3 (oft. XOFF) |
20 | DC4 | Device Control 4 |
21 | NAK | Negative Acknowledgement |
22 | SYN | Synchronous idle |
23 | ETB | End of Transmission Block |
24 | CAN | Cancel |
25 | EM | End of Medium |
26 | SUB | Substitute |
27 | ESC | Escape |
28 | FS | File Separator |
29 | GS | Group Separator |
30 | RS | Record Separator |
31 | US | Unit Separator |
32 | SPC | Space |
33 to 126 are printable characters, '!' through '~' |
127 | DEL | Delete |