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

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

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

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

2020年6月3日 · Unlike the VT05, the VT420 was a practical design with a separate keyboard and a monitor on a tilt-and-swivel stand that was supplied as standard (unlike previous versions). It weighed just 8kg so wasn’t a problem to move about a bit, and the ANSI character set that it supported allowed full cursor addressability and enough predefined ...

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