
IBM 3270 Emulation
Readiness & System Connection
T
A
?
This indicates that a Telnet session is running.
This indicates that the protocol for communication between an application program and the IBM 3270 emulation is not system network architecture (SNA).
This indicates that the current screen is a Network Virtual Ter- minal screen. This screen is displayed when IBM 3270 mode is entered before a telnet session has been initiated with the remote host. This enables you to enter login text. Note that you will be returned to this screen when you log off.
This indicates that the current screen is an IBM 3270 screen. This screen will be displayed when you have initiated a Telnet session with the host.
This indicates that you are currently communicating with the host operating system, not the application.
Do Not Enter
The Do Not Enter () symbol will appear when input from the keyboard or mouse will not be accepted by the host (except Reset and SysReq). Symbols to the right of this will indicate the reason. Pressing the Reset key will remove some of these symbols from the status line. Note that the emulation includes typeahead capability so that in most cases you can continue to enter data without waiting for the Do Not Enter message to clear as the data will be stored until the host is ready.
PROGnnn Indicates that a programming error in the data from the host has been detected, possibly due to incompatible application soft- ware. Press the Reset or SysReq key to remove this indicator and unlock the keyboard.
Indicates that you must wait while the requested function is performed.
NUM Indicates that you tried to enter an invalid character into a nu- meric field when the
keyboard
Indicates that you tried to enter data in the wrong location. This will occur when you attempt to do any of the following:
Enter, insert, erase, or delete a character when the cursor is in a protected field or at a field attribute location.