CONTENTS Title Page Copyright Page Preface 1 Introduction 1.1 DECnet SNA 3270 Terminal Emulator Description 1.2 The 3270 Terminal Emulator Keyboard 1.3 The 3270 Terminal Emulator Screen 1.3.1 Unformatted Screens 1.3.2 Formatted Screens 1.3.3 Display Types 1.3.4 Allowed Data Types 1.3.5 Large Screen Displays 1.4 Understanding Basic IBM SNA Terms 2 Using the Terminal Emulator 2.1 Setting Up Your Terminal 2.2 Installing the TE 2.3 Starting the TE 2.3.1 Command Format 2.3.2 Required Qualifiers for SET HOST/SNA Command 2.3.3 Command Examples 2.4 Using the TE 2.4.1 Checking Your Session's Status 2.4.1.1 Controlling the Status Line Display 2.4.1.2 Understanding Status Line Messages 2.4.2 Reading Error Messages 2.4.3 Entering Data 2.4.4 Editing Data 2.4.4.1 Using Normal Mode 2.4.4.2 Using Insert Mode 2.5 Recording Work Sessions 2.5.1 Specifying an Output File 2.5.2 Changing an Output File During a Session 2.6 Finding Help 2.6.1 OpenVMS Help Files 2.6.2 TE Help Screen 2.7 Shutting Down the TE 3 Keyboard Functions A 3270 Terminal Emulator Status Messages A.1 Status Messages A.1.1 TE Status Messages A.1.2 OpenVMS System Messages B Visible Attribute Mode B.1 Entering and Exiting Visible Attribute Mode B.2 Visible Attribute Mode Displays C Terminal Characteristics C.1 Terminal Set-up Features C.2 Video Display Features C.3 Setting Up Your Terminal to Use the 3270 Terminal Emulator Software D Redefining Your Keyboard Layout D.1 Redefining Your Keyboard Layout D.1.1 Using a Key Definition File D.1.1.1 The DEFINE/KEY Statement D.1.1.2 The DELETE/KEY Statement D.1.1.3 A Sample Key Definition File D.1.2 Using the DEF KEY Function D.1.3 The TE Help Screen E Supported and Unsupported Features E.1 Supported Features E.2 Unsupported Features F 3270 Terminal Emulator Problems F.1 TE Problem 1 F.2 TE Problem 2 F.3 TE Problem 3 F.4 TE Problem 4 F.5 TE Problem 5 FIGURES 1-1 3270 Terminal Emulator Environment 1-2 Alternative 3270 Terminal Emulator Environment 1-3 Unformatted Screen Display 1-4 A Sample Formatted Screen 2-1 Form for Access Name Information 2-2 Sample Status Display Line 2-3 Using Normal Mode 2-4 Using Insert Mode 2-5 The TE HELP Screen 3-1 ATTACH 3-2 ATTN 3-3 ~~ (back tab) 3-4 ¢ (cent) 3-5 CLEAR 3-6 DEF KEY 3-7 DELETE 3-8 DSP ATT 3-9 DUP 3-10 DV CNCL 3-11 ENTER 3-12 ER EOF 3-13 ER INP 3-14 EXIT 3-15 EXT 3-16 FM 3-17 HELP 3-18 HOME 3-19 Horizontal Control 3-20 INSERT 3-21 ~ (Logical NOT) 3-22 ~ (Logical OR) 3-23 ~ ~ (new line) 3-24 NUM OVR 3-25 PA1 through PA3 3-26 PF1 through PF24 3-27 PLAY 3-28 PRINT 3-29 RECORD 3-30 REFR 3-31 RESET 3-32 SELECT 3-33 SET FIL 3-34 SHO MSG 3-35 SPAWN 3-36 STATUS 3-37 SYS REQ 3-38 ~~ (tab) 3-39 Vertical Control F-1 Solving TE Problems TABLES 1-1 3270 Terminal Emulator Key Functions 2-1 SET HOST/SNA Command Qualifiers B-1 Visible Attribute Mode Displays D-1 Keys Available for Definition D-2 3270 Functions You Can Assign