Maltron J89-PS/2 Manuel utilisateur

THE MALTRON KEYBOARD

‘Designed to fit hands’

J89-PS/2 model

Reference guide

“Helping sufferers to relieve the pain and suffering of Upper

Limb Disorders”.

Keep your fingers bent in the relaxed hand shape and do not rest your wrists on

the keyboard while keying.

This will allow freedom of movement and enable you to attain a higher speed

and greater accuracy.

PCD Maltron Ltd., Castlefields, Stafford, Staffordshire, ST16 1BU,

Tel: 0845 230 3265 Fax: 0845 230 3266

www.maltron.com sales@maltron.co.uk

Dear User

Congratulations on selecting the Maltron Dual handed keyboard. We are confident that

you will notice very quickly the benefit of using the keyboard through its ergonomic

shape and ease of operation very quickly.

Please take the time to familiarise yourself with the keyboard and note the design layout

allows your wrists to be quite straight so removes the prime cause of trouble. This

change frees space in the centre of the keyboard so that the cursor keys and other keys

can now be allocated to the thumbs, which are strong and versatile.

It is probable you will not have experienced using a Maltron keyboard before

consequently it will feel unfamiliar to you….Don’t worry, this is perfectly natural and is

expected.

For this very reason we provide on line training courses covering good posture, figure

position, general instructions and a comprehensive range of exercises which will help you

to become accustomed to the keyboard.

Please contact PCD Maltron Ltd if you do not have access to the website

www.maltron.com and we will arrange for the paper based training modules to be sent

to you.

As they say, practice makes perfect so persevere with the exercises and don‟t expect to

be as efficient with the Maltron keyboard straight away as you have been with your

existing one.

It is advisable to refrain from using alternative keyboards during the familiarisation

phase as this will only slow down the time it will take to become accustomed to using

your new keyboard.

What we can guarantee is once you have mastered it you will notice improved accuracy

which comes from the way in which keys fit the shape of the fingers. From the tactile

information received through the finger ends the position of the hand is accurately

known and this reduces the error rate. There is no possibility of the hand being displaced

without the operator knowing.

Please feel free to contact PCD Maltron Ltd on 0845 230 3265 or e-mail

[email protected]o.uk with any questions or observations you have or just to share with

us your own personal experience.

Once again thank you for choosing the Maltron keyboard and we sincerely hope you can

once again enjoy trouble free typing.

Best wishes

PCD Maltron Ltd

The Maltron Keyboard

Introduction

Welcome to your new MALTRON keyboard. We at PCD Maltron Ltd are sure that the

combination of the Maltron keyboard and your personal computer will soon give you a

surprising ease of operation, with much reduced stress and fatigue. Please share your

enjoyment with us by letting us know how you progress, and tell us of any ideas for

improving the keyboard further.

Specially shaped to fit hands, the Maltron keyboard offers a new level of comfort and

accuracy. Comfort implies a freedom from posture stress and this in turn means reduced

fatigue. The typewriter keyboard, designed in the 1870‟s to suit the mechanics of the

time, requires the hands to be held together with the wrists turned outwards. This

action, almost unconsciously, causes the shoulders to be slightly raised and it is this

sustained tension needed to maintain the typing position, which causes the shoulder and

neck aches and pains experienced by so many keyboard operators.

By dividing the keys into two well separated groups, the Maltron allows wrists to be quite

straight and so removes the prime cause of trouble. This change frees space in the

centre of the keyboard so that the cursor keys and other keys can now be allocated to

the thumbs, which are strong and versatile.

Additional to the new shape, modern electronics allows us to give a choice of layout at

the touch of a button –QWERTY or MALTRON. The improved accuracy obtained by

operators using the Maltron keyboard comes from the way in which keys fit the shape of

the fingers. From the tactile information received through the finger ends the position of

the hand is accurately known and this reduces the error rate. There is no possibility of

the hand being displaced without the operator knowing.

To help get started, we have included for practice a list of the 150 most common words

which make up over half of all typing, but if you intend to continue with the QWERTY

layout please be sure to use the adaptation exercises supplied separately.

Setting Up

As you will have seen, the cable from the keyboard ends with a multi-way plug. This is

polarized to make sure it goes in correctly. Connect the plug into the usual keyboard

input socket and arrange the keyboard to suit your preferred position. Please ensure this

allows you to sit comfortably, with the keyboard close and low enough for your upper

arms to be hanging vertically from your shoulders, and your forearms to be horizontal.

After plugging in the Maltron keyboard, switch on the computer. The keyboard should

light up with a yellow or green light –indicating that the keyboard has power. A yellow

light indicates that the keyboard is ready in the QWERTY layout. If you asked for the

Maltron layout key top designation then Switch 4 will have been set ON and your

keyboard will start in the Maltron mode and the green light indicates this.

The Maltron Keyboard

Special Design Features

The fully ergonomic Maltron keyboard is designed to fit hands, and to work with IBM

PS/2 type computers or Macintosh machines via a PS/2 –USB convertor.

The Maltron keyboard has the keys where fingers can reach them easily in comfort.

The whole essence of ergonomic design.

1. Central top row of Function keys –easily reached, these are arranged to match

normal function key layout.

2. Central number pad. This is located centrally to be easy for either hand.

3. Thumb keys for the cursor and other frequently used functions –your thumbs can

now be used much more productively!

4. Enter (return) key on the thumb removes the long little finger stretch.

5. Delete keys on the thumbs allow the immediate removal of conscious errors,

without the loss of finger position.

6. A shift lock key is provided as well as a caps lock to give wider facilities.

7. Two layouts in every keyboard:-

QWERTY for QWERTY trained operators.

Maltron for those using this much more efficient letter layout.

Layouts are instantly changed by pressing the QWERTY/MALTRON Key.

8. Key tops may be singly or dually designated as preferred.

9. The Maltron letter layout reduces finger movement and work load with the most

used letters placed under the home row positions.

10. Shaped to allow straight up and down movement of fingers –reduced twisting

improves accuracy and reduces finger work load further. The straight finger

columns follow the natural movement of fingers.

11. Shaped to make key heights fit fingers. Longer fingers now get more space.

12. Spacing the finger and thumb groups apart from each other removes the need to

bend wrists and allows elbows and upper arms to be relaxed.

13. Palm resting pads for „Thinking time‟ allows hands and arms to relax.

Please do not attempt to change keyboards with the computer on. This may cause

spurious signals to corrupt your work and may possibly damage keyboard or computer.

For PS/2‟s a switch box is available to allow two keyboards to be connected at the same

time, so that someone wishing to use a standard keyboard can connect it without having

to exchange connections at the back of the computer and restart the machine.

Operation

The Maltron keyboard design in providing extra keys for the thumbs has allowed the

thumbs to be put into use. The cursor keys have been put under your thumbs. The basic

concept is that the left thumb moves back towards the beginning (up and left) and the

right thumb moves you forward (right and down). Likewise the home and end keys are

on your thumbs. Another great use for your thumbs is the delete keys which are placed

immediately above the thumbs‟ home positions. This means that you can delete a typing

error without moving your fingers off the home row. As the thumb is your strongest digit

we have also given it the ALT and CTRL keys which are usually held down while another

key is pressed. Both thumbs are therefore given productive work and the fingers are

relieved of work and stretches.

The QWERTY/MALTRON Key

A special feature of this keyboard is the QWERTY/MALTRON key which selects the layout

to be used. The yellow light indicates QWERTY operation and the green light MALTRON.

The QWERTY layout allows QWERTY skilled operators to adapt to the shape and benefit

from its advantage with minimum learning difficulty. The QWERTY and MALTRON letter

layout diagrams in the back of this handbook may be used to locate any letters or

symbols which our special shape has caused to be moved from a more familiar location.

As the shape is so different the brain rarely confuses what it has learnt from the Maltron

keyboard with what it learnt from the flat keyboard. This applies to either layout. This is

similar to the ability of musicians to play different instruments of different shape without

confusion. We do not advise that you try to learn both layouts on the Maltron –it is

better to pick one and stick to it.

Please do display or copy the layout diagrams at the back of the handbook and place the

layout you‟ve chosen at eye level near the computer screen. If you watch yourself type

then you actually learn to type watching! You will only free your hands from your eyes

by watching the screen and the layout diagram instead of watching your hands.

Indicators

The LED lights indicate the different modes of operation. From left to right they are:

Maltron (green) leftmost

Qwerty (yellow)

Caps Lock (red)

Num Lock (red)

Shift Lock (red) rightmost

Keyboard Operation Selector Switch

Visible through a small aperture in the bottom cover of the keyboard is a multi position

switch. This enables selection of keyboard functions on start-up or reset. The switch

positions can be changed using a ball pointed pen or something similar.

Switch 1 Leave in “off” position

Switch 2 Leave in “off” position

Switch 3 Leave in “off” position (Factory test position)

Switch 4 Start up options

This switch selects the alternative letter layouts

Set “off” to start in QWERTY mode displaying the yellow LED

Set “on” to start in MALTRON mode displaying the green LED

Switch 5 The backslash key

Selects alternative key codes for the “backslash/pipe” key

Set “off” for the usual operation, sends key code Hex 61

Set “on” for alternative to match older or Linux machines, Hex 5D

Switch 6 For correct operation of CAPS LOCK for French Keyboards, set “on”

Switch 7 This switch controls the operation of the SHIIFT LOCK key

Set “off” the SHIFT function has a single shot operation, i.e. it is

automatically cleared by the next key release. This is useful when a

SHIFTED function and another key is needed to execute special

commands. Set “on” SHIFT is maintained until either of the SHIFT keys is

pressed or the SHIFT LOCK key is pressed again

Switch 8 Not used by this keyboard leave “off”

Reset Button

Close to the switch is a separate button. Press to restart the keyboard after changing a

switch while powered on, or to restart the keyboard should some malfunction occur

during normal work.

Typematic Repeat Rate

This keyboard is fitted with a special facility to allow the key repeat rate to be changed

at the keyboard. An “off” condition and three different speeds may be selected by the

combination of the QWERTY/MALTRON key and Function Keys 1-4.

When the Q/M key is pressed and held down, the yellow lights flash alternatively at the

key repeat rate. On completion of the following actions the yellow or green light comes

on again to indicate layout selection.

1. Press and hold the Q/M key then press and release F1. Release the Q/M key. Key

repeat is stopped.

2. Press and hold the Q/M key then press and release F2. Release the Q/M key. Slow

repeat rate.

3. Press and hold the Q/M key then press and release F3. Release Q/M key. Medium

speed repeat rate.

4. Press and hold the Q/M key then press and release F4. Release Q/M key. Fast

repeat rate.

To check key repeat rate, hold down the Q/M key. The green and yellow lights will then

flash at the selected repeat rates.

If the Q/M key is pressed but not held, keyboard operation will change to the alternative

key layout.

With some software programmes and machines, e.g. Apple, the repeat rate is set by the

computer during programme setup and may operate erratically if control other than “off”

is attempted from the keyboard.

Blank keys

There are 2 blank keys. The LH one generates the key scan Code Hex 51 and the right

one Hex 6A. These can be used with the Operating system software program to enable a

special function.

The 150 Commonest Words

These words make up more than half of all prose.

A an at he than that the then there are

Her here we were what when new where after

As for has how no not now of one or

Other see so those to two was who another

Know off own she state these too work

Any first from him his I if in into is it

Its man may men more most my some their

Them this they make many me men same way

Years all and do down had like made only

People said shall well will would also day

Did down last life little long Mr. Old still

While can come could great go our out should

Such upon us would which you your came each

Get good great might much must through under

Us up about be been before but by back because

Being between both every have over very even

Just never

IBM is the registered trade mark of International Business Machines Corp.

Apple and Macintosh are the registered trademarks of Apple Computer Inc.

Hand and Key position information

The unusual shape of the Maltron keyboard often gives rise to questions concerning how

to place the hands to take advantage of the strain free design. The best way to assess

this is to do the following actions:

1. Either standing or seated, allow both arms to fall totally relaxed by the sides

2. Open and close the hands 2 or 3 times and then allow them to be totally relaxed

3. Look at the finger shape. Usually seen in the half open position the finger end

directions now lie at 70-90 degrees from the forearm axis, with the wrists still

totally relaxed.

4. Keeping the hands in this position, raise the forearms to be horizontal, and

position the hands so that there is a distance of roughly 20cms between the index

fingers.

5. Opening and closing the fingers now shows that the ends move in arcs of

different radius.

6. As far as possible the keys have been positioned to fit these, so that lowering the

hands on to the keys should give comfortable finger positions on the ASDF on the

left and the JKL keys on the right. The thumbs should be relaxed to fall on the

Space and Enter keys.

7. The back of the hands will also be tilted to give angles of about 30 degrees to the

horizontal, and a strain free wrist position.

8. When keying, the palms should be around 1cm above the resting pads, but at

any pause for “thinking” time they should be lowered on to the pads immediately,

and the hands and arms relaxed.

Keyboard Position

The keyboard should be mounted low enough to ensure that the horizontal arm position

and the conditions of 7 & 8 above are fully met. This may mean mounting it on a pull out

slide under the desktop, or sitting on a chair high enough to give this condition with the

keyboard on top of the desk.

The Maltron Trackball Keyboard

An alternative model to the successful two handed Maltron keyboard incorporates a track

ball in the central pad between the thumb groups of the unique Maltron design.

Features

This model of the trackball keyboard is fitted with a newly developed unit. It features

great accuracy and is velocity sensitive. This means that a small but quick movement

will move the cursor a long way, while the same movement made slowly enables

accurate positioning. Another feature is the use of a matt surface on the 16mm ball. This

gives a better surface grip and prevents any small movement of the ball which might

otherwise occur as the thumb or finger is raised.

Cables

1. This keyboard now has a single ending in a purple coloured PS/2 6 pin minidin

plug. This has both keyboard and trackball outputs and can be connected to Lap

Top computers with a single input socket so that both keyboard and trackball

work correctly.

2. A splitter cable is built in so that separate keyboard and trackball (mouse) PS/2

plugs are present for desk units with two inputs. The mouse plug is coloured

green.

3. Ensure that all connections are firmly made before powering up the computer.

Action Buttons

In the new “F” model, the action buttons are conveniently located behind the trackball so

that the thumb of one hand can position the trackball and a finger of the other hand

used to press the appropriate button. The group of three buttons is arranged so that the

centre one is a “right hand” mouse button and the two either side are “left hand”

buttons. This symmetrical arrangement ensures that either hand can be used with equal

ease as preferred and the accurate and careful positioning of the ball is not disturbed

when operating the action buttons.

The stress relieving design of Maltron keyboards has already enabled many hundreds of

suffers from RSI or CTS (Repetitive Strain Injury or Carpel Tunnel Syndrome) problems

to return to work with career prospects recovered. The new combination is a significant

step in overcoming problems with mice as well.

Cleaning

After some use it is possible that due to dust entry the cursor movement can become

erratic. This problem is easily cleared by cleaning the socket. The retaining ring is

removed by turning it anti-clockwise about 1/6 of a turn with the ring release tool

provided. If mislaid, the points of a pair of sharp pointed scissors may be used. The ball

may then be lifted out or dropped into a hand cupped over it, while inverting the

keyboard. Carefully clean the socket with a cotton bud. After cleaning, return the ball

and ring to the unit and turn the ring clockwise until it clicks into the working position.

Static and your Keyboard

You need to know

Static electricity in your office is very erratic and will change from day to day with the

weather, with the central heating and with ventilation. It also changes with the clothes

worn by people in the office (nylon is one of the worst) and the number and types of

VDU‟s you use. It often collects on things like curtains, light switches and VDU‟s –

depending on air circulation. You need to know this so that you can, over time, identify

which factors in your office are causing any static.

Static shocks are usually noticed when you hear crackling (try wiping a dusty TV or VDU

screen after it has been on for a while). However, “small” static shocks of 50V or 100V

go largely unnoticed by humans. If this hits digital electronic equipment, then the

equipment often cannot cope and becomes unreliable.

The Maltron Keyboard

Like any piece of electronics, the Maltron keyboard does not like being hit with static.

Unlike most pieces of electronics, it is touched every day by people who move around

picking up static charge from computer VDU‟s, curtains, chairs and carpets. Even just

taking off a coat with a nylon lining or getting up from your chair, can charge a person

up several 1000 volts. If the charged person then touches the keyboard immediately, its

electronic brain gets the shock.

To some extent we protect against this shock with good screening of signal lines and

using insulating plastic, but inevitably some gets through. If your keyboard is working

most of the time but occasionally resets or beeps or just goes crazy, then static is the

first suspect, even more so when the keyboards performance changes from day to day

for no obvious reason.

What next?

Solving the static problem is usually quite easy.

The best way of solving the problem is at source. To do this you have to find where the

problems are coming from. For example, it could be when you operate the blinds in the

office or rise from your chair, or walk across the carpet and sit down. Then you should

be careful not to touch the keyboard until you have touched something that is well

earthed such as the metal case of the computer. Another example –it could be you have

to move an office fan to point away from your desk. In general, these options need

experiment and whilst they are the cheapest, they need more patience.

The most popular way of solving the problem is with antistatic mats which are wired to

the computer case, water pipes, or some other well grounded metal. There are mats for

the floor, or alternatively there are mats you can use on your desk under the computer

and keyboard.

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