VT225 Colour Text Terminal

This document serves as a comprehensive user's guide for the Digital Equipment Corporation VT225 Colour Text Terminal. It provides detailed instructions on operating and maintaining the terminal, covering its physical description (monitor/system unit and keyboard) and extensive functional capabilities. Key features include a high-resolution color text display with various palettes and character attributes, support for multiple character sets, user-definable function keys, and compatibility with VT200, VT100, and VT52 modes.

The manual outlines how to set up and use the terminal, including connecting it to a host computer via EIA-232-D or DEC423, configuring color settings, and understanding keyboard functions, visual indicators, and audible alerts. It details various operating states (e.g., On-Line Interactive, On-Line Edit Mode) and modes, along with procedures for printing and composing special characters. A significant portion is dedicated to terminal setup screens, allowing users to define characteristics such as display options, communication parameters, printer settings, keyboard behavior, tab stops, editing features, and personalized color palettes. The document concludes with problem-solving guidance, including a power-up self-test and troubleshooting common issues, as well as providing technical specifications and ordering information for options and supplies.