Microwriter MW4

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The Microwriter is a hand-held portable word-processor with a chording keyboard. It was sold in the early 1980s by Microwriter Ltd, of London, UK. Microwriter was invented by UK-based, US-born film director Cy Endfield.

The Microwriter MW4
The 23 cm x 12 cm x 5 cm device comprises:

A six-button chording keyboard.
A single line LCD display.
An 8 bit microprocessor.
Complete Word processing software in ROM.
16 kilobytes of RAM.
Rechargeable Nickel-cadmium batteries - sufficient to run the device for 30 hours.
Various interfaces (see below).
This device is capable of allowing the user to enter and edit several pages of text - and by connecting a printer to the RS-232 serial port connector, documents can be printed without the aid of a separate computer.

The keyboard uses one button for each finger and two for the thumb of the user's right hand. The five buttons immediately beneath the fingers are pressed in different combinations to generate all letters. The second thumb button is used to toggle through a range of modes that allow the user to switch case, enter numbers, insert punctuation and even add ASCII control characters, to be used in editing the document being prepared. To type a letter "T", for example, the user would tap the top thumb button to shift to uppercase, then chord a "t" by pressing the index finger and ring finger buttons simultaneously.

The manufacturers claimed that most people could learn to use it in just a couple of hours. With some practice, it is possible to become a faster typist with the Microwriter than with a conventional keyboard, providing that what is being entered is just text. Typing is slowed if a substantial number of special characters have to be entered using the "shifting" mechanism.

Learning the chords for the basic letters and numbers is facilitated by a set of flash-cards that show simple mnemonics for each character.

Despite a lack of similar products, the Microwriter was not a success, and ceased production in 1985. It is likely that the concept of a chording keyboard put off many potential customers.

The Microwriter model DSA is to connect the microwriter to a screen or TV.

This is complete with manuals, soft case and power supply unit.

Manufacturer: Microwriter
Date: May 1982

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Microwriter MW4 Manuals:

Item Manufacturer Date
Microwriter new users guide Microwriter May 1982
Microwriter General Systems Manual Microwriter May 1982

Magazines RELATED to Microwriter MW4 in our Library

Item Manufacturer Date
Personal Computer World - December 1980 Dec 1980
Personal Computer World - September 1982 1 Sep 1982
Acorn User - September 1984 1 Apr 1984

Other Systems Related To Microwriter MW4:

Item Manufacturer Date
Microwriter MW4 Microwriter 1980
Microwriter (case only) Microwriter 1985
Microwriter AgendA 128K Microwriter 1989

This exhibit has a reference ID of CH5794. Please quote this reference ID in any communication with the Centre for Computing History.


Microwriter MW4

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