The Operator Information Area (OIA) is displayed at the bottom of the TN3270 Plus terminal emulation area. To display or hide the OIA, use the Operator Information Area command in the View menu. The following table describes each of the fields in the OIA.
| Field | Description |
| Connection status | Displays the system connection status. In the form: tyz |
Where:
t is either "T" or "S"
T indicates a TCP/IP insecure connection.
S indicates a TCP/IP secure (TLS) connection.
y is either "A" or "B".
A Connected in non-TN3270E mode.
B Connected in TN3270E mode.
z is either "!" or "@"
! Working with SSCP (SSCP-LU mode).
@ Working with host application (LU-LU mode).
| Message Indicator | MSG - message waiting (5250 only) |
| Keyboard State | Displays keyboard status. The following summarizes the keyboard status symbols: |
| X aid_key | An AID generating key was pressed. |
| X PROGnnn | Program check - a programming error was detected in the data from the host. |
| X SYSTEM | The host system locked the keyboard. |
| X <0> | Go Elsewhere - the cursor must be moved. It is in a protected field and an attempt has been made to enter, insert, erase or delete a character. |
| X ?+ | Not accepted - the last input was not accepted |
| X -f | Not available - the requested function is not available. |
| X NUM | Numeric - an attempt was made to enter non-numeric data into a numeric-only field. |
| Session number | The session number of the currently displayed session. |
| Session name | The session name of the currently displayed session. |
| Insert mode indicator | Displays a caret (^) when in insert mode. |
| Cursor Location | Displays the cursor location in row,column format. |
| Response Time | The elapsed time of the last command or function in mm:ss.sss format. |
| Time | Displays the time in hh:mm format. |
| Terminal name | Date | If the session has an assigned terminal name, the terminal name is displayed. If the session does not have an assigned terminal name, the date is displayed in the system short date format. |
TN3270 Plus is continually being improved. To learn more about the latest enhancements, please review our Version History web page.