VT55-D,E,H,J DECgraphic Scope Users' Manual

Part	Date	Title
EK-VT55E-TM-001	1976-12	VT55-D,E,H,J DECgraphic Scope Users' Manual

Table of Contents (from EK-VT55E-TM-001)

Chapter 1 Introduction
- 1.1 General Description
- 1.2 Hardware Description
  - 1.2.1 VT55 Technology
- 1.3 VT55 Models
- 1.4 Related Documents
- 1.5 Technical Characteristics
  - 1.5.1 Installation Characteristics
  - 1.5.2 Functional Characteristics
  - 1.5.3 Interface Characteristics
- 1.6 VT55 Options
Chapter 2 Site Preparation and Planning
- 2.1 Purpose and Importance
- 2.2 Installation Space
- 2.3 Operation Environment
  - 2.3.1 Operating Temperature and Humidity
  - 2.3.2 Device Dissipation
  - 2.3.3 Electrical Noise Tolerance
  - 2.3.4 Vibration, Atmosphere, Altitude
- 2.4 Power Requirements
- 2.5 Signal Cables
Chapter 3 Installation
- 3.1 Unpacking
- 3.2 Preliminary and Acceptance Testing
- 3.3 Manual Testing
  - 3.3.1 Miscellaneous Functions
  - 3.3.2 Graph Drawing Mode Functions
  - 3.3.3 Hold Display Mode Functions
- 3.4 Connecting the VT55 to an Interface
  - 3.4.1 20 mA Interface Cable with Mate-N-Lok Connector
  - 3.4.2 20 mA Interface Cable with 283B Connector
  - 3.4.3 EIA Interface Cable
  - 3.4.4 Changing VT55 Interface Cables
  - 3.4.5 Setting the Baud Rate Switches
  - 3.4.6 Setting the Parity Switches
- 3.5 Serial Line Signal Format
  - 3.5.1 Word Length and Parity
  - 3.5.2 Baud Rate
  - 3.5.3 Levels
  - 3.5.4 Synchronization
- 3.6 Adjusting VT55 Nominal Line Voltage
- 3.7 Changing VT55 Line Frequency - Non-Copier Models Only
Chapter 4 Technical Description
- 4.1 Introduction
- 4.2 Raster Scan Technique
- 4.3 Communicating with the VT55
  - 4.3.1 Alphanumeric Mode
  - 4.3.2 Graphics Mode
  - 4.3.3 Graph Drawing
  - 4.3.4 Escape Mode and Special Terminal Commands
  - 4.3.5 VT55 Keyboard
- 4.4 VT55 Copier
Chapter 5 Operation and Programming
- 5.1 Introduction
- 5.2 Operation
  - 5.2.1 Powering on the VT55
  - 5.2.2 VT55 Models with Internal Copier
- 5.3 The Keyboard
  - 5.3.1 Using the Keyboard
    - 5.3.1.1 ASCII Codes
    - 5.3.1.2 Shift Key
    - 5.3.1.3 CAPS LOCK Key
    - 5.3.1.4 REPEAT Key
    - 5.3.1.5 SCROLL and COPY Keys
    - 5.3.1.6 BREAK Key
    - 5.3.1.7 Auxiliary Keypad
- 5.4 Alphanumeric Mode
  - 5.4.1 Alphanumeric Cursor
- 5.5 Graphic Mode
- 5.6 Display Calibration Specification
  - 5.6.1 Calibration of the Graph Drawing Field
  - 5.6.2 Alignment of Alphanumerics on the Graph Drawing Data Field
  - 5.6.3 Definition of Graph Marker on the Graph Drawing Data Field
- 5.7 Graph Drawing Mode
  - 5.7.1 Graph Drawing Command Characters
  - 5.7.2 Graph Drawing Data Characters
  - 5.7.3 Other Characters
- 5.8 Escape Mode
  - 5.8.1 Cursor Down
  - 5.8.2 Reverse Line Feed
  - 5.8.3 Cursor Up
  - 5.8.4 Cursor Right
  - 5.8.5 Cursor Home
  - 5.8.6 Direct Cursor Addressing
  - 5.8.7 Erase to End of Line
  - 5.8.8 Erase to End of Screen
  - 5.8.9 Identify Terminal Type
  - 5.8.10 Enter Hold Screen Mode
  - 5.8.11 Exit Hold Screen Mode
  - 5.8.12 Enter Alternate Keypad Mode
  - 5.8.13 Exit Alternate Keypad Mode
  - 5.8.14 Copy Screen
  - 5.8.15 Enable Auto-Print Mode
  - 5.8.16 Disable Auto-Print Mode
  - 5.8.17 Enter Graphic Mode
  - 5.8.18 Exit Graphic Mode
  - 5.8.19 Enter Graph Drawing Mode
  - 5.8.20 Exit Graph Drawing Mode
- 5.9 Hold Screen Command
- 5.10 Control Codes
- 5.11 Graphing Commands and Examples
  - 5.11.1 NO OP
  - 5.11.2 Load Enable Register 0
  - 5.11.3 Load Enable Register 1
  - 5.11.4 Load Graph 0
  - 5.11.5 Load Graph 1
  - 5.11.6 Load Graph Marker Memory for Graph 0
  - 5.11.7 Load Graph Marker Memory for Graph 1
  - 5.11.8 Load Horizontal Line Coordinate
  - 5.11.9 Load Vertical Line Coordinate
  - 5.11.10 Load Starting X Coordinate
  - 5.11.11 Example Sequence
    - 5.11.11.1 Reset Logic
    - 5.11.11.2 Enter Graph Drawing Mode
    - 5.11.11.3 Enable Graphs
    - 5.11.11.4 Load Graph 0
    - 5.11.11.5 Load X Coordinate
    - 5.11.11.6 Load Graph 1
    - 5.11.11.7 Load Graph Marker Memory for Graph 0
    - 5.11.11.8 Load Graph Marker Memory for Graph 1
    - 5.11.11.9 Load Horizontal Line Coordinate
    - 5.11.11.10 Load Vertical Line Coordinate
    - 5.11.11.11 Controlling Display Status
Chapter 6 Maintenance
- 6.1 Philosophy
- 6.2 Corrective Maintenance
  - 6.2.1 Recommended Spare Parts and Tools
  - 6.2.2 Basic Description of Internal Signal Flow
  - 6.2.3 Troubleshooting Procedure
  - 6.2.4 Copier Replacement Procedure
  - 6.2.5 Video Adjustment Procedure
- 6.3 Packing of DECscope

Company:	Digital Equipment Corporation
Part:	EK-VT55E-TM
Keywords:	terminal graphics
Cited by:	EJ-17210-86, Technical Documentation, January 1979

Address:	https://vt100.net/dec/ek-vt55e-tm-001.pdf
Site:	VT100.net
Format:	PDF
Size:	4943480 bytes (4.7 MiB)
Credits:	Manual donated by Roger Cockram. Scanned by Paul Williams

Address:	http://wwcm.synology.me/pdf/EK-VT55E-TM-001 VT55-E%2C F%2C H%2C J DECgraphic Scope User%27s Manual.pdf
Site:	Wilber Williams' Computer Museum
Format:	PDF
Size:	8819362 bytes (8.4 MiB)

Address:	http://www.vaxhaven.com/images/e/eb/EK-VT55E-TM-001.pdf
Site:	VaxHaven
Format:	PDF
Size:	8819362 bytes (8.4 MiB)

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VT55-D,E,H,J DECgraphic Scope Users' Manual

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Table of Contents (from EK-VT55E-TM-001)