OUS0001 | OUS0002 | OUS0003 | OUS0004 | OUS0005 | OUS0006| OUS0001 | Program $1 attached, data '$2' |
| Explanation: |
In response to the the 'USER' operator command, the program $1 has been successfully attached with data $2 as supplied in the operator command. |
| OUS0003 | Invalid function |
| Explanation: |
Self-explanatory message. |