The VT420 is an ANSI standard computer terminal introduced in 1990 by Digital Equipment Corporation (DEC). The 420 is the only model in the 400 series, replacing the VT320. There are no color or graphics-capable 400 series terminals; the VT340 remained in production for those requiring ReGIS and Sixel graphics and color support.

View and Download DEC VT420 service manual online. monochrome video terminal. VT420 touch terminals pdf manual download.

This chapter introduces you to the VT420 video display terminal. The VT420 is a general-purpose terminal that you use to communicate with a host computer system. The chapter provides an overview of the terminal and its basic operating features. The chapter also tells you where to look in this guide for more information about each feature.

This guide describes how to service the VT420 monochrome video terminal. The guide is for Digital’s service personnel. The guide has five chapters that cover the following topics: VT420 models and features Troubleshooting and testing Removing and replacing field replaceable units (FRUs) Adjusting the video monitor Using set-up

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VT420 Video Terminal With PC Terminal Mode Update. Following are the added 8-bit and PC character sets available from the User-preferred Supplemental Set (UPSS) in the General Set-Up

The VT420 has nine set-up screens that list the settings for the terminal's operating features. You can display these screens and change the settings from the keyboard. This chapter describes set-up and how to use it. Most set-up features are initially set to a factory-default setting that works with many Digital systems.

View and Download Digital Equipment VT420 service manual online. VT420 desktop pdf manual download. Also for: Ek-vt 420-ps-002.

View and Download Digital Equipment VT420 installation manual online. Video Terminal Digital. VT420 desktop pdf manual download.

2019年8月17日 · The DEC VT420 terminal was introduced in 1990 and used an LK401 keyboard. Manx. Installing and Using the VT420 Video Terminal (North American Model), November, 1989; Installing and Using the VT420 Video Terminal (Worldwide Model), June, 1990; Installing and Using The VT420 Terminal With PC Terminal Mode Update, January, 1993