HP Compaq Presario Manual

SAFETY &

COMFORT

GUIDE

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The warning signs of these

disorders can occur in the hands,

wrists, arms, shoulders, neck, or

back, and can include:

Numbness, burning, or

tingling

Soreness, aching, or

tenderness

Pain, throbbing, or swelling

Tightness or stiffness

Weakness or coldness

Symptoms may be felt during typing, while

using a mouse, or at other times when no

work with the hands is being performed,

including during the night when these

symptoms might awaken you. If you

experience these symptoms, or any other

persistent or recurring pain or discomfort

that you think may be related to using a

computer, you should promptly consult a

qualified physician and, if available, your

company’s health and safety department.The

earlier a problem is properly diagnosed and

treated, the less chance there is that it will

progress to a disabling condition.

The following pages describe proper

workstation setup, posture, and health and

work habits for computer users. In addition,

this Guide contains product safety informa-

tion applicable to all Compaq products.

Warning

There may be a risk of serious physical

injuries from working at your computer

workstation. Read and follow the recom-

mendations in this Safety & Comfort Guide to

minimize the risk of injury and to increase

your comfort.

Some studies have suggested that long

periods of typing, improper workstation

setup, incorrect work habits, stressful work

conditions and relationships, or problems in

your personal health may be linked to

injuries.These injuries could include carpal

tunnel syndrome, tendinitis, tenosynovitis,

and other musculoskeletal disorders.

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Notice

The information in this guide is subject to

change without notice.

COMPAQ COMPUTER CORPORATION SHALL NOT BE

LIABLE FORTECHNICAL OR EDITORIAL ERRORS OR

OMISSIONS CONTAINED HEREIN; NOR FOR INCIDEN-

TAL OR CONSEQUENTIAL DAMAGES RESULTING

FROMTHE FURNISHING, PERFORMANCE, OR USE OF

THIS MATERIAL.

This guide contains information protected by copyright. No

part of this guide may be photocopied or reproduced in any

form without prior written consent from

Compaq Computer Corporation.

1997 Compaq Computer Corporation.

Compaq, Deskpro,Armada, Contura, Presario

Registered U. S. Patent andTrademark Office.

Safety & Comfort Guide

First Edition (September 1997)

Part Number 297660-001

Compaq Computer Corporation

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iii

Contents

Warning ..................................................................................................... i

Preface ...................................................................................................... iv

Symbols and Conventions in Documentation

Symbols on Equipment

Chapter 1

Promoting a Safe and Comfortable Work Environment ................... 1

Important Choices

Take Action for Safety and Comfort

Key Principles

Chapter 2

Finding Your Comfort Zone ................................................................. 5

A Range of Positions

Feet, Knees, and Legs

Back

Forearms, Wrists, and Hands

Shoulders and Elbows

Eyes

Chapter 3

Arranging Your Work Area ................................................................ 13

Monitor

Keyboard and Pointing Device

Arm Supports and a Palm Rest

Papers and Books

Phone

Chapter 4

Working in Comfort ................................................................................ 21

Using a Notebook Computer

Typing Style

Pointing Style

Using a Keyboard on a Sofa

Taking Breaks and Varying Your Tasks

Monitoring Your Health Habits and Exercise

Chapter 5

Ordering Your Adjustments .................................................................. 27

From the Ground Up

From the Top Down

Chapter 6

Self-Check ............................................................................................. 29

Chapter 7

Important Electrical and Mechanical Safety Information .................... 33

Introduction

Product Safety Policy and General Practice

Installation Requirements

General Precautions for Compaq Products

Precautions for Portable Computer Products

Precautions for Server and Network Products

Precautions for Products with External Television Antenna Connectors

Precautions for Products with Modems, Telecommunications,

or Local Area Network Options

Precautions for Products with Laser Devices

Appendix

For More Information ............................................................................ 43

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Symbols and Conventions in Documentation

The following words and symbols mark special messages throughout this guide.

PREFACE

.Text set off in this manner presents clarifying

information, specific instructions, commentary,

sidelights, or interesting points of information.

WARNING: Text set off in this manner

indicates that failure to follow directions

could result in bodily harm or loss of life.

CAUTION: Text set off in this manner

indicates that failure to follow directions

could result in damage to equipment or loss

of information.

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To avoid risk of injury from electric shock,

remove all power cords to completely

disconnect power from the system.

This symbol indicates that the equipment is supplied with

multiple sources of power.

This symbol indicates the presence of a hot surface or compo-

nent.Touching this surface could result in bodily injury.

An RJ-45 receptacle marked with this symbol contains a

Network Interface Connection (NIC).

This symbol indicates the presence of electric shock hazards.

Enclosures marked with these symbols should only be opened by

a Compaq authorized service provider.

ICON MEANING WARNING

This symbol, when used alone or in conjunction with any of the

following icons, indicates the need to consult the operating

instructions provided with the product.

To avoid risk of injury from a hot component,

allow the surface to cool before touching.

To avoid risk of electric shock, fire, or damage to the

equipment, do not plug telephone or telecommuni-

cations connectors into this receptacle.

To avoid risk of injury from electric shock, do

not open this enclosure.

A potential risk exists if the operating

instructions are not followed.

Symbols on Equipment

The following table contains safety icons that may appear on Compaq equipment. Refer to this table for an explanation of the icons, and heed

the warnings that accompany them.

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Adjust into Your

Comfort Zone

If you share a

computer with

others, readjust the

work environment to

your needs. Each

time you sit down to

work, adjust into

your comfort zone.

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IMPORTANT

Some scientists believe that working intensely,

or for a long time in uncomfortable or unnatural

positions, may pose risks, such as those

mentioned in the Warning.

The information

included in this Guide is designed to help you

work more safely by recommending ways to

work more comfortably and effectively.

TIP

Self-check

After reviewing the information in this chapter,

double-check your postures and habits using

Chapter 6, "Self-Check."

Posture, lighting, furniture, work

organization, and other work conditions

and habits may affect the way you feel and

how well you work.By adjusting your work

environment and personal practices, you

may be able to minimize fatigue and

discomfort, and reduce the risk of

resulting strains that some scientists

believe can lead to injury.

Important Choices

Whenever you use a computer, you make

choices that can affect your comfort and

potentially your safety.This is true

whether you use a full-size keyboard and

monitor on a desk,a notebook computer,or

a wireless keyboard on your lap. In every

case,you choose your working posture and

your body’s position relative to your

keyboard,pointing device,monitor, remote

control, phone, and any reference books

and papers.You may also have some control

over lighting and other factors.

Take Action for Safety

and Comfort

Many factors in our work environment

determine whether we work efficiently and

in a manner that promotes good health and

safety. By considering, acting on, and

periodically reevaluating the recommenda-

tions in this Guide, it is possible to create a

safer, more comfortable,healthful, and

efficient work environment.

PROMOTING ASAFE AND COMFORTABLE WORK ENVIRONMENT

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Key Principles

To promote safety and comfort,

follow these principles whenever

you use your computer.

ADJUST

Adjust your body position and your

work equipment.

There is no one “right” position. Find

your comfort zone, as described in this

Guide, and when working at your

computer, frequently adjust within this

zone.

MOVE

Vary your tasks so that you can move

around;avoid sitting in one posture all

day.

Perform tasks that require walking.

PROMOTING ASAFE AND COMFORTABLEW ORK ENVIRONMENT

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