IBM 240 manual Head, View, Arms, Chair

Handling your computer

Head

View

Display

Chair

Arms

Thighs

.1/

Head

Keep

your

head

in

a

comfortable

and

vertical

position.

.2/

View

Maintain

a

comfortable

viewing

distance

of 510-760

mm

(20-30

in.).

.3/

Display

Position the display to avoid glare or

reflections

from

overhead

lighting

or

outside

sources

of light.

Keep

the

display

screen

cl

and

set

the

contrast

and

brightness

to

levels

that allow you

to

the

screen

clearly.

.4/

Thighs

Keep

your

thighs

parallel

to

the

floor

and

your

feet

flat

on

th

or on a

footrest.

.5/

Arms

Keep your forearms, wrists, and hands

in a relaxed and neutral

position. Don't

pound

the

keys;

type

with

a

soft

touch.

.6/

Chair

Use a chair that gives you good back support.

Chapter 1. Getting familiar with your41 computer