HP-UX TN3270 Users Guide, March 1998
Table Of Contents
- Audience
- Fast Path to TN3270 Emulation and File Transfer
- Organization of This Guide
- Typographic Conventions
- Motif Version and Character-Based Version
- Help Screens
- HP-UX SNAplus2 TN3270 Documentation Set
- Related Publications
- 1 Introducing the TN3270 Emulation Program
- Overview
- Support of TN3270 Features
- Sessions
- Model 2-5 Display Support
- File Transfer
- Background Operation
- Temporary Exit from TN3270 Emulation
- Type-Ahead during TN3270 Emulation
- Local Copy
- Keyboard Remapping
- Keystroke Recording and Replay
- International Language Support
- 3270 Status Line
- Printer Emulation
- File, Customize, and Control Menus
- HLLAPI Support
- Where Do You Go from Here?
- Overview
- 2 The TN3270 Emulation Program User Interface
- 3 Getting Started with 3270 Emulation
- Overview
- Specifying the Path to TN3270 Product Programs
- Fast Path to 3270 Terminal Emulation
- Starting the TN3270 Emulation Program
- Using Menus and Dialog Boxes
- Running 3270 Emulation in the Background
- Overview of 3270 Operations
- 3270 Data Fields
- Double-Byte Characters
- Keystroke Recording and Replay
- Running HLLAPI Programs
- Moving from the Menu Interface to TN3270 Emulation
- Exiting the TN3270 Emulation Program
- Automating the TN3270 Emulation Start-Up
- Where Do You Go from Here?
- 4 Controlling 3270 Emulation
- 5 Transferring Files
- Overview
- Fast Path to File Transfer
- Preparing to Transfer Files
- Monitoring File Transfer Status
- Transferring Files Using the Menu Interface
- Transferring Files from the HP-UX Command Prompt
- Stopping a File Transfer in Progress
- Finishing File Transfer
- 6 Customizing 3270 Emulation
- 7 Solving Problems
- Overview
- 3270 Could Not Initialize due to Failure to Fork a...
- 3270 Emulation Program Not Found
- Cannot Get from 3270 Session to TN3270 Emulation P...
- Cannot Run 3270 Emulation in Background
- Cannot Run 3270 Emulation without a Menu Interface
- Cannot Tell Which Terminal Keys Correspond to Vari...
- Characters on Display Do Not Match Keys Pressed
- Customize Menu Options Not Selectable
- Display Colors Are Different from Those Selected
- Display Is Incomplete or Hard to Read
- Error Message—3270 User Not Found
- Error Message—No 3270 Sessions
- Error Message—No 3270 Users
- Failed to Initialize Windowing System
- Fields Cannot Be Changed or Edited
- File Menu Options Not Selectable
- File Transfer Process “Hung”
- HLLAPI Application Does Not Work
- Host Response Times Option Not Selectable
- Last Transaction Time Indicator (LTTI) on Status L...
- Main Screen Invoked Instead of 3270 Session
- Model Type Radio Group Is Not Selectable
- Open Option Is Not Selectable
- Style File Contains Invalid Maximum Structured Fie...
- Unable to Obtain System Semaphores
- Overview
- Functions within Groups and Corresponding Keys
- Alphabetical List of Functions and Corresponding K...
- Overview
- How the Status Line Is Displayed
- Overview of the Status Line
- Session Status Messages
- Do Not Enter Messages
- Communications Check Codes
- Last Transaction Time Indicator
- Cursor Width Indicator
- Numeric Indicator
- Insert Indicator
- Printer Identifier
- Record/Replay ID
- Host Session
- Cursor Position Message
- Session ID
- Program Check Codes
- Overview
- Menu Interface File Transfer Messages
- Host File Transfer Messages
- Overview
- Command Format
- Output
- Error Messages
- Overview
- Overriding Host Domain Names
- Overview
- Specifying Output Method
- SPOF Format
- Model Control Commands
70 Chapter 3
Getting Started with 3270 Emulation
Running 3270 Emulation in the Background
Running 3270 Emulation in the
Background
You can run the TN3270 emulation program as a background process.
When you run the program as a background process, you cannot view the
3270 emulation display or use the keyboard, but you can still access 3270
display sessions using a HLLAPI application or perform host printing
with printer sessions. (When the TN3270 emulation program is in the
background, you cannot run a command-line transfer directly. However,
you can run a command-line file transfer indirectly by using a HLLAPI
application to log on to the host.) Because the menu interface is
inaccessible, it is disabled to save memory. For more information, see
“Transferring Files from the HP-UX Command Prompt”.
When you start the TN3270 emulation program in the background, the
following sessions are automatically activated:
• All initially active display sessions that have a session ID assigned
• All initially active printer sessions
If there are no initially active printer sessions or initially active display
sessions that have a session ID assigned to them, the TN3270 emulation
program displays an error message and the program terminates. See
“Customizing Display Sessions” or “Customizing Printer Sessions” for
information about session IDs and initially active sessions, or “Starting
the TN3270 Emulation Program” for information about specifying
session IDs from the command line.
Before starting the TN3270 emulation program in the background, make
sure the following conditions are true:
• You are configured as a TN3270 user.
• Your default style file, or the style file you specify on the command
line, contains at least one initially active session (display or printer).
• If the initially active session is a display session and does not have a
session ID, use the -h option to specify the session ID on the
command line when starting the TN3270 emulation program. For
more information, see “Starting the TN3270 Emulation Program”.