HP Pavilion xt500 HP Pavilion PC - Safety and Comfort Guide
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- HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 1
& Comfort Guide Also available at www.hp.com/ergo Document Part Number: 297660-002 This guide describes proper workstation setup, posture, and health and work habits for computer users. In addition, this guide contains electrical and mechanical safety information applicable to all HP products. - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 2
particular purpose, and is subject to change without notice. The warranties for HP products are set forth in the express limited warranty statements accompanying such products to equipment or loss of information. Safety & Comfort Guide Second Edition (September 2002) Document Part Number: 297660-002 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 3
the recommendations in this Safety & Comfort Guide to minimize the risk of injury and conditions and relationships, or problems in your personal health and safety department. The earlier a problem is properly diagnosed and treated, the Guide contains product safety information applicable to all - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 4
Warning iv Safety & Comfort Guide - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 5
2-6 Eyes 2-8 3 Arranging Your Work Area Monitor 3-2 Keyboard and Pointing Device 3-4 Arm Supports and Palm Rest 3-6 Papers and Books 3-8 Phone 3-9 4 Working in Comfort Using a Arms, Wrists, and Hands 6-1 Eyes 6-2 Typing Style 6-2 Keyboard and Pointing Device 6-3 Safety & Comfort Guide v - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 6
Product Safety Policy and General Practice 7-1 Installation Requirements 7-2 General Precautions for HP Products 7-3 Precautions for Portable Computer Products 7-6 Precautions for Server and Devices 7-11 Symbols on Equipment 7-13 Appendix For More Information A-1 vi Safety & Comfort Guide - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 7
monitor, use a box as a footrest, a blanket on the seat to raise your chair height-whatever you need to adjust into your comfort zone. Safety & Comfort Guide 1-1 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 8
time in uncomfortable or unnatural positions, may pose risks, such as those mentioned in the Warning at the beginning of this Guide. 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 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 9
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 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 10
rigors of sedentary work. ◆ Respect any medical conditions you may have or other known health factors. Adjust your work habits to accommodate them. 1-4 Safety & Comfort Guide - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 11
2 FINDING YOUR COMFORT ZONE Vary Your Posture Depending on your tasks, you may find a range of sitting and standing postures that are comfortable. Within your comfort zone, change postures often throughout the day. Reclined Safety & Comfort Guide Upright Standing 2-1 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 12
still for long periods can cause discomfort and muscle fatigue. Changing postures is good for many parts of your body, including your spine, joints, muscles, and circulatory system. ❒ Within your comfort adjustments, refer to Chapter 5, "Organizing Your Adjustments." 2-2 Safety & Comfort Guide - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 13
throughout the day. RIGHT Rest your feet firmly on the floor or a footrest. WRONG! Do not dangle your feet and compress your thighs. Safety & Comfort Guide 2-3 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 14
support your body. Distribute your weight evenly and use the entire seat and backrest to support your body. If your chair has adjustable low back support, lower spine. Getting comfortable Always make sure your lower back is well-supported. Make sure it feels comfortable in the position in which you - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 15
, your shoulders should be relaxed, not elevated or drooped (refer to Chapter 3, in the section "Supporting Your Forearms"), and your elbows should be placed comfortably in relation to your keyboard height. Position your is near the height of your keyboard's home row. Safety & Comfort Guide 2-5 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 16
bend and hold your wrists and fingers back. It can also apply pressure to the underside of your wrists. A palm rest is designed to provide support during pauses, when you are not typing (such as when you are reading from the screen). RIGHT Maintain a comfortable, neutral wrist position. WRONG! Do - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 17
with a stylus or thumb keyboard. Finding Your Comfort Zone RIGHT Maintain a comfortable, neutral wrist position. WRONG! Do not bend your wrists markedly inward. Safety & Comfort Guide 2-7 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 18
consider having glasses prescribed that are specifically suited for working with a computer monitor. For more information, refer to Chapter 3, in the section "Monitor." 2-8 Safety & Comfort Guide - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 19
3 ARRANGING YOUR WORK AREA Positioning Your Monitor You may find a range of monitor heights that allows your head to be balanced comfortably over your shoulders. Safety & Comfort Guide 3-1 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 20
center of the viewing area. When sitting in your normal work posture, you should be able to see your eyes in the mirror. 3-2 Safety & Comfort Guide - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 21
measures. Use indirect or reduced lighting to avoid bright spots on your display screen. If glare is a problem, consider these actions: ❒ Move your monitor to a place where glare and bright reflections are eliminated. leads to an uncomfortable head or upper back posture. Safety & Comfort Guide 3-3 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 22
's software to switch the button assignments). Listen to your body Let your body be your guide when you place your keyboard and pointing device. Your shoulders should be relaxed, and your keyboard back so your forearms are fully supported on the work surface (refer to Chapter 3, in the section - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 23
your desktop, higher and farther away than the keyboard. This will lead you to stretch forward repeatedly, and uncomfortably, to reach the mouse. Safety & Comfort Guide 3-5 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 24
for you. Let the comfort of your neck, shoulders, elbows, arms and wrists be your guide. RIGHT Forearm supports are properly adjusted when your shoulders are relaxed, your forearms are supported (yet free to move while typing), and your wrists are in a comfortable, neutral position. 3-6 Safety - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 25
pointing device. Using a Palm Rest A palm rest (sometimes called a wrist rest) is designed to provide support during pauses, not during typing or pointing. While typing or while using a pointing device, keep your wrists 2, in the section "Forearms, Wrists, and Hands." Safety & Comfort Guide 3-7 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 26
board between your monitor and keyboard. Consider this option only if you spend more time looking at the paper than at your monitor. 3-8 Safety & Comfort Guide - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 27
Use a headset to free your hands and help you avoid uncomfortable positions. WRONG! Do not cradle your phone between your ear and shoulder. Safety & Comfort Guide 3-9 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 28
Arranging Your Work Area 3-10 Safety & Comfort Guide - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 29
4 WORKING IN COMFORT On the Road In a hotel room, use a blanket for padding your chair and a rolled towel as an inventive way to support your lower back area. Safety & Comfort Guide 4-1 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 30
be sure to adhere to the key principles presented earlier in this Guide. The following strategies are intended to help you maintain comfort when using Raise the height of your seat. ❒ Create a footrest, if needed. ❒ Support your back. ❒ Raise your computer to elevate the display (while using a - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 31
tension in any of your fingers-including those not touching keys or the pointing device, as well as those actively typing or pointing. Safety & Comfort Guide 4-3 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 32
more difficult. Remember to clean your mouse or trackball frequently. An optical mouse or trackball has no moving parts on the underside, so it may not require cleaning as frequently. RIGHT Keep your wrist in a cause you to markedly bend your wrist to the side. 4-4 Safety & Comfort Guide - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 33
Working in Comfort TIP Back comfort On a sofa, chair, or bed, it is especially important to support your whole back. Be inventive and use blankets, towels, or pillows. AVOID! ◆ When using a keep your shoulders relaxed and your wrists in a comfortable, neutral position. Safety & Comfort Guide 4-5 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 34
from your work task to playing computer games is not a break for your body! Taking Breaks and Varying Your Tasks As noted earlier in this Guide, your furniture placement, office equipment, and lighting are only a few of the factors that determine comfort. Your work habits are also very important - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 35
rigors of work typically can be improved by avoiding adverse health conditions and by exercising regularly to improve and maintain your physical fitness. Safety & Comfort Guide 4-7 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 36
Working in Comfort 4-8 Safety & Comfort Guide - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 37
and books in many ways, such as to: ◆ Raise the height of your chair. ◆ Create a footrest. ◆ Support your back. ◆ Elevate the keyboard or display. ◆ Provide armrests if you are working on a couch or bed. ◆ 2. Footrest, if you need one. 3. Follow steps 2 through 8, above. Safety & Comfort Guide 5-1 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 38
Organizing Your Adjustments 5-2 Safety & Comfort Guide - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 39
you've forgotten a tip or two, reread Chapters 1 through 5 of this Guide. Listen to your body Any time you make changes to your tasks, work space under your work surface for your knees and legs? ❒ Is your lower back supported? Shoulders, Arms, Wrists, and Hands ❒ Are your shoulders relaxed? ❒ Are - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 40
well as those actively typing and pointing? ❒ Do you use your whole arm to reach for keys not located near the home row? 6-2 Safety & Comfort Guide - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 41
quality of text and graphics? ❒ Is your document holder positioned near the monitor, at the same distance, height, and angle as the monitor? Safety & Comfort Guide 6-3 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 42
, whether you experience them during work or at other times, have you consulted a doctor and, if available, your company's health and safety department? 6-4 Safety & Comfort Guide - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 43
specific instructions provided HP authorized service provider cannot address, call HP Customer Support for your area. Product Safety Policy and General Practice HP HP manufactures. This also covers the national implementation of IEC60950 based safety standards around the world. Safety & Comfort Guide - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 44
Heat Accessible parts of the product at high temperatures ❒ Chemical Chemical fumes and vapors ❒ Radiation Noise, ionizing, laser, ultrasonic waves Installation Requirements HP products operate safely when used according to their marked electrical ratings and product usage instructions. They should - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 45
noticeable signs of overheating. ❒ The product does not operate normally when you follow the operating instructions. Servicing Except as explained elsewhere in the HP documentation, do not service any HP product yourself. Opening or removing covers that are marked with warning symbols or labels may - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 46
source to use, contact your HP authorized service provider or local power company. For a product that operates from battery power or other power sources, the operating instructions are included with the product. dispose of it in fire. Replacement should be done by an HP 7-4 Safety & Comfort Guide - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 47
Electrical and Mechanical Safety Information authorized service provider using the HP replacement part for the computer, unless otherwise specified in the documentation provided with the computer. use liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning. Safety & Comfort Guide 7-5 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 48
Parts When replacement parts are required, be sure the service provider uses replacement parts specified by HP. Safety Check Upon completion of any service or repairs to the product, have your HP authorized service in fire, bodily injury, and damage to the equipment. 7-6 Safety & Comfort Guide - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 49
on top of a monitor support cover or stand. Heavier monitors should be placed on a work surface next to the docking base. Rechargeable Battery Pack Do not crush, puncture, or incinerate the battery pack or short the metal contacts. In addition, do not attempt to open or service the battery pack - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 50
is properly stabilized and supported before installing options and cards yourself. Due to the height and weight of the rack, HP recommends a minimum of two people to accomplish this task. rack too quickly as the moving weight may damage the supporting rails. ❒ Do not overload the AC supply branch - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 51
Compatibility HP television tuner cards with antenna connections should be used only with HP personal proper electrical grounding of the mast and supporting structure, grounding of the lead-in wire grounding electrode. Lightning Protection To protect an HP product during a lightning storm or when - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 52
grounding system of the building, as close to the point of cable entry as practical. 7-10 1 Electric Service Equipment 2 Power Service Grounding Electrode System (NEC Art 250, Part H) 3 Ground Clamps 4 Grounding Conductors (NEC Section 810-21) 5 Antenna Discharge Unit (NEC Section 810-20) 6 Ground - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 53
Safety & Comfort Guide Electrical and Mechanical Safety Information Precautions for Products with Modems, order to reduce the risk of fire. Precautions for Products with Laser Devices All HP systems equipped with a laser device comply with safety standards, including International Electrotechnical - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 54
make adjustments, or perform procedures to a laser device other than those specified in the operators manual or in the laser device installation guide. Allow only HP-authorized service technicians to repair the laser equipment. Compliance with CDRH Regulations The Center for Devices and Radiological - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 55
HP instructions provided with the product. WARNING: A potential risk exists if the operating instructions are not followed. This symbol indicates the presence of electric shock hazards. Enclosures marked with these symbols should only be opened by an HP authorized service for manual - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 56
To avoid risk of bodily injury, keep away from moving parts. This symbol indicates the presence of a potential tip over hazard that can result in bodily injury. WARNING: To avoid risk of bodily injury, follow all instructions for maintaining stability of the equipment during transport, installation - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 57
Occupational Safety and Health (NIOSH) NIOSH Publications 4676 Columbia Pkwy, MS C13 Cincinnati, OH 45226-1998 http://www.cdc.gov/niosh/homepage.html Safety & Comfort Guide Appendix-1 - HP Pavilion xt500 | HP Pavilion PC - Safety and Comfort Guide - Page 58
Occupational Safety and Health Administration (OSHA) Publications Office U.S. Department of Labor 200 Constitution Ave. NW, Room N3101 Washington, DC 20210 http://www.osha.gov TCO Development Linnégatan 14 SE-114 94 Stockholm, Sweden http://www.tcodevelopment.com Appendix-2 Safety & Comfort Guide
Safety & Comfort Guide
Also available at
www.hp.com/ergo
Document Part Number: 297660-002
This guide describes proper workstation setup, posture, and
health and work habits for computer users. In addition, this
guide contains electrical and mechanical safety information
applicable to all HP products.