| English | eng-000 |
| function code | |
| 普通话 | cmn-000 | 功能码 |
| 普通话 | cmn-000 | 操作码 |
| 普通话 | cmn-000 | 操纂 |
| 普通话 | cmn-000 | 机器功能码 |
| English | eng-000 | FC |
| English | eng-000 | command code |
| English | eng-000 | function digit |
| English | eng-000 | operating code |
| English | eng-000 | operation code |
| English | eng-000 | operational code |
| English | eng-000 | order code |
| italiano | ita-000 | codice di servizio |
| русский | rus-000 | код режима работы |
| русский | rus-000 | функциональный код |
| tiếng Việt | vie-000 | mã cơ năng |