Contents

Chapter 1 - VT05 Basic Description

• 1.1 Purpose and Use
• 1.2 Technical Characteristics
  • 1.2.1 Character Set
  • 1.2.2 System Interface
• 1.3 VT05 Options
• 1.4 VT05 Interfacing Information

Chapter 2 - Functional Description

• 2.1 Keyboard
• 2.2 CRT Display
• 2.3 Transmit/Receive Logic
• 2.4 Control Logic
• 2.5 Recirculating Memory
• 2.6 Read-Only Memory/Character Generator
• 2.7 Filler Characters Required at High Baud Rates

Chapter 3 - Terminal Operation

• 3.1 Introduction
• 3.2 Turn-On Procedures
  • 3.2.1 Local Operation Turn-On Procedure
  • 3.2.2 Remote Operation Turn-On Procedure
• 3.3 Modes of Operation
  • 3.3.1 LOCAL Mode
  • 3.3.2 REMOTE Mode
  • 3.3.3 Full- and Half-Duplex Operation
• 3.4 Keyboard Operation
  • 3.4.1 Control Key Operation
  • 3.4.2 SHIFT Key Operation
  • 3.4.3 SHIFT/LOCK Key Operation
  • 3.4.4 ALT Key Operation
• 3.5 Display Operation
  • 3.5.1 Cursor Left (←)
  • 3.5.2 Cursor Right (→)
  • 3.5.3 Cursor Down (↓)
  • 3.5.4 Cursor Up (↑)
  • 3.5.5 HOME
  • 3.5.6 Horizontal Tab (TAB)
  • 3.5.7 Erase-to-End-of-Line
  • 3.5.8 Erase-to-End-of-Screen
• 3.6 Automatic Functions
  • 3.6.1 Automatic Scrolling
  • 3.6.2 Automatic Cursor Advance
  • 3.6.3 End-of-Line Tone
• 3.7 Display Erase
  • 3.7.1 Individual Character Deletion
  • 3.7.2 Direct Character Replacement
  • 3.7.3 Erase-to-End-of-Line and Erase-to-End-of-Screen
• 3.8 Direct Cursor Addressing (CAD)
• 3.9 Preventive Maintenance
  • 3.9.1 Cleaning the VT05
  • 3.9.2 Relocating the VT05
  • 3.9.3 Maintenance

Figures

• 1-1 VT05 Basic Block Diagram
• 1-2 VT05 Functional Block Diagram
• 1-3 Typical VT05 EIA Interfacing
• 1-4 Typical VT05 TTY (20 mA) Interfacing
• 2-1 VT05 Keyboard
• 3-1 VT05 Rear Panel Connectors and Controls
• 3-2 LOCAL/REMOTE and FULL/HALF-DUPLEX Operation

Tables

• 1-1 VT05 Transmit Codes - Full ASCII Operation
• 1-2 VT05 Transmit Codes - Half ASCII Operation
• 1-3 VT05 Receiving Codes
• 1-4 VT05 Nondisplayed Control Character Functions
• 1-5 VT05 EIA Transmit/Receive Connector Pin Assignments
• 1-6 VT05 Teletypewriter Connector Pin Assignments
• 3-1 VT05 Controls and Indicators
• 3-2 Baud Rate Selector Switch Positions
• 3-3 VT05 Line and Column Direct Cursor Addressing Codes