| Decimal | Hex | Acronym | Meaning |
| 00 | 00 | NUL | Null |
| 01 | 01 | SOH | Start of heading |
| 02 | 02 | STX | Start of text |
| 03 | 03 | ETX | End of text |
| 04 | 04 | SEL | Select |
| 05 | 05 | HT | Horizontal tab |
| 06 | 06 | RNL | Required newline |
| 07 | 07 | DEL | Delete |
| 08 | 08 | GE | Graphic escape |
| 09 | 09 | SPS | Superscript |
| 10 | 0A | RPT | Repeator |
| 11 | 0B | VT | Vertical tab |
| 12 | 0C | FF | Form feed |
| 13 | 0D | CR | Carriage return |
| 14 | 0E | SO | Shift out |
| 15 | 0F | SI | Shift in |
| 16 | 10 | DLE | Data link escape |
| 17 | 11 | DC1 | Device control |
| 18 | 12 | DC2 | Device control |
| 19 | 13 | DC3 | Device control |
| 20 | 14 | RES/ENP | Restore/Enable presentation |
| 21 | 15 | NL | Newline |
| 22 | 16 | BS | Backspace |
| 23 | 17 | POC | Program-operator communication |
| 24 | 18 | CAN | Cancel |
| 25 | 19 | EM | End of medium |
| 26 | 1A | UBS | Unit backspace |
| 27 | 1B | CU1 | Customer use |
| 28 | 1C | IFS | Interchange field separator |
| 29 | 1D | IGS | Interchange group separator |
| 30 | 1E | IRS | Interchange record separator |
| 31 | 1F | ITB/IUS | Intermediate transmission block |
| 32 | 20 | DS | Digit select |
| 33 | 21 | SOS | Start of significance |
| 34 | 22 | FS | Field separator |
| 35 | 23 | WUS | Word underscore |
| 36 | 24 | BYP/INP | Bypass/Inhibit presentation |
| 37 | 25 | LF | Line feed |
| 38 | 26 | ETB | End of transmission block |
| 39 | 27 | ESC | Escape |
| 40 | 28 | SA | Set attribute |
| 41 | 29 | SFE | Start field extended |
| 42 | 2A | SM/SW | Set mode/Switch |
| 43 | 2B | CSP | Control sequence prefix |
| 44 | 2C | MFA | Modify field attribute |
| 45 | 2D | ENQ | Enquiry |
| 46 | 2E | ACK | Acknowledge |
| 47 | 2F | BEL | Bell |
| 48 | 30 | | |
| 49 | 31 | | |
| 50 | 32 | SYN | Synchronous idle |
| 51 | 33 | IR | Index return |
| 52 | 34 | PP | Presentation position |
| 53 | 35 | TRN | Transparent |
| 54 | 36 | NBS | Numeric backspace |
| 55 | 37 | EOT | End of transmission |
| 56 | 38 | SBS | Subscript |
| 57 | 39 | IT | Indent tab |
| 58 | 3A | RFF | Required form feed |
| 59 | 3B | CU3 | Customer use |
| 60 | 3C | DC4 | Device control |
| 61 | 3D | NAK | Negative acknowledge |
| 62 | 3E | | |
| 63 | 3F | SUB | Substitute |