| 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 |