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Compaq Presario,Presario 17XL360 Supplementary Manual
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Compaq Presario,Presario 17XL360 Supplementary Manual

Compaq Presario,Presario 17XL360 Supplementary Manual

Hp compaq presario,presario 17xl360: supplementary guide
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Safety and Comfort Guide
Document Part Number: 191432-003
June 2001

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Summary of Contents for Compaq Compaq Presario,Presario 17XL360

  • Page 1 Safety and Comfort Guide Document Part Number: 191432-003 June 2001...
  • Page 2 © 2001 Compaq Computer Corporation Compaq, the Compaq logo, and Presario Registered in U.S. Patent and Trademark Office. Microsoft and Windows are trademarks of Microsoft Corporation in the United States and other countries. All other product names mentioned herein may be trademarks of their respective companies.

  • Page 3: Safety And Comfort

    1 Safety and Comfort Introduction ........1–1 Promoting a Safe and Comfortable Work Environment.
  • Page 4 Contents Working in Comfort......1–22 Using a Notebook Computer ....1–22 Typing Style .
  • Page 5 2 Government Approvals European Union Notice ......2–1 Federal Communications Commission Notice..2–2 Modifications.
  • Page 7 Å WARNING: There may be a risk of serious physical injuries from working at your computer workstation. Read and follow the recommendations in this section 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.
  • Page 8 Safety and Comfort 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...
  • Page 9 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.
  • Page 10 Safety and Comfort To promote safety and comfort, follow these principles whenever you use your computer. 1–4 Adjust your body position and your work equipment. There is no one “right” position. Find your comfort zone, as described in this section, and when working at your computer, frequently adjust within this zone.
  • Page 11 Rather than working in a single posture, find your comfort zone. Your comfort zone is a range of positions that is generally appropriate and comfortable for your given work situation. Compaq Presario Mobile Internet PC Safety and Comfort Guide Listen to your body. Pay attention to any tension, discomfort, or pain you may feel, and take immediate action to relieve it.
  • Page 12 Safety and Comfort Sitting 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 zone, change postures often throughout the day.
  • Page 13 The order in which you make various adjustments to your body position and work area may vary depending on how adjustable your furniture is. For tips on how to order your adjustments see the “Arranging Your Work Area” section on page 1–14. That afternoon slump: Pay particular attention to adjusting your posture in the afternoon when you may tend to get fatigued.
  • Page 14 Safety and Comfort Be sure you have sufficient space under your work surface for your knees and legs. Avoid concentrated pressure points along the underside of your thigh near the knee and the back side of your lower leg. Stretch your legs and vary your leg posture throughout the day.
  • Page 15 Use your chair to fully support your body. Distribute your weight evenly and use the entire seat and backrest to support your body. If your chair has adjustable lower back support, match the contours of the chair’s backrest to the natural curve of your lower spine.
  • Page 16 Safety and Comfort If you get a new adjustable chair, or if you share a chair with someone else, don’t assume that the settings are properly set for you. Keep your forearms, wrists, and hands aligned in a straight, neutral position, whether you are working at a desk or table, or sitting on a couch or bed.
  • Page 17 Split keyboards: If you find it difficult to type with a straight, neutral wrist position, you may want to try a split keyboard. Be aware, however, that improper setup or posture while using a split keyboard can increase bending in your wrists. So if you try one, set it up properly to align your forearms, wrists, and hands.
  • Page 18 Safety and Comfort Adjust your chair height or keyboard height so that your shoulders are relaxed and your elbows hang comfortably at your sides. Adjust your keyboard slope so that your wrists are straight. Position your elbows in a zone that is near the height of your keyboard’s home row (the row that includes the letters G and H).
  • Page 19 Keep your display screen and your eyeglasses or contact lenses clean. If you use a glare-reduction filter, clean it according to the manufacturer’s directions. To be sure that your vision is adequately corrected, have your eyes examined regularly by a vision care specialist. Consider having glasses made that are specifically suited for working with a computer monitor.
  • Page 20 Safety and Comfort You may find a range of monitor heights that allows your head to be balanced comfortably over your shoulders. You can reduce eye strain and muscle fatigue in your neck, shoulders, and upper back by properly positioning your monitor and adjusting its angle.
  • Page 21 Tilt the monitor so that it faces your eyes. In general, the monitor screen and your face should be parallel to each other. To check for correct monitor tilt, have someone hold a small mirror in the center of the viewing area. When sitting in your normal work posture, you should be able to see your eyes in the mirror.
  • Page 22 Safety and Comfort Notebook viewing: Whenever using a notebook computer for long periods, you may find it more comfortable to connect a full-size monitor. A separate monitor gives you a wider range of viewing distance and height options. Adjusting brightness and contrast: Reduce the potential for eye discomfort by using brightness and contrast controls on your monitor to improve the quality of text and graphics.
  • Page 23 Avoid compromising your posture to compensate for glare or reflections. Try to avoid bright light sources in your field of vision. For example, don’t face an uncovered window during daylight hours. Place your keyboard, mouse, and other input devices, so that you can use them with your body in a relaxed, comfortable position.
  • Page 24 Safety and Comfort If you use a keyboard tray, make sure it is wide enough to accommodate your pointing device, such as a mouse or trackball. Otherwise, you will probably place the mouse on your desktop, higher and farther away than the keyboard. This will lead you to stretch forward repeatedly, and uncomfortably, to reach the mouse.
  • Page 25 You may find that supports for your forearms or hands allow you to be more relaxed and comfortable. Some chairs and desks provide padded areas for resting your arms. You may find it comfortable to rest the middle of your forearms on these supports while typing, pointing, or pausing.
  • Page 26 Safety and Comfort Select a work surface or surfaces that are large enough to hold the computer equipment and any additional items required for your work. To help minimize eye fatigue, position any materials to which you frequently refer at about the same viewing distance. Arrange your frequently used papers, books, or other items to minimize the distance you reach for them.
  • Page 27 Cradling your phone between your ear and shoulder may lead to neck, shoulder, and back discomfort. If you use your phone a lot, try using a headset or positioning your phone so you pick it up with your non-dominant hand. This frees your dominant hand for note-taking.
  • Page 28 Safety and Comfort Maintaining a high level of comfort when using a notebook computer may be more challenging than when using a desktop computer. Therefore, you should be especially alert to your body’s signals, such as any feeling of discomfort. Also, be sure to adhere to the key principles presented earlier in this section.
  • Page 29 Use pillows, blankets, towels, and books to: Raise the height of your seat. Create a footrest, if needed. Support your back. Provide arm supports, if you are working on a couch or bed. Provide padding wherever needed. If you load up your carrying case with accessories and papers, avoid shoulder strain by using a cart or a carrying case with built-in wheels.
  • Page 30 Safety and Comfort Observe your typing style and notice how you use your fingers and hands. Avoid keeping any unnecessary tension in your thumbs and fingers. Observe whether you have a heavy touch or a light touch while typing. Use the minimum amount of force needed to depress the keys.
  • Page 31 Keep it light: If you type with a heavy touch, teach yourself to lighten up. Press the keys more gently. “Hunt-and-peck” typing: Looking at the keys while typing causes the neck to bend forward repeatedly. To minimize this repetitive movement, learn how to touch-type so you don’t need to look down at the keyboard as often.
  • Page 32 Safety and Comfort Pointing comfort: When using a mouse or trackball, hold it loosely. Keep your hand relaxed and click the buttons using a light touch. When you are not using your pointing device, don’t hold it; let it go. Switch hands: To give your hand a break, you may choose to control your mouse or trackball with the opposite hand for a while.
  • Page 33 Even if you use your keyboard in a seemingly comfortable place such as a sofa, bed, or your favorite lounge chair, you can still cause discomfort by sitting in an awkward position or in one position for long periods. Remember to frequently make changes to your position, within your comfort zone, and to take short breaks.
  • Page 34 Safety and Comfort As noted earlier in this section, your furniture placement, office equipment, and lighting are only a few of the factors that determine comfort. Your work habits are also very important. When you work at your computer for long periods, take short breaks at least once per hour and preferably more often.
  • Page 35 Try it and see: Contrary to what some may believe, several studies have found that productivity does not decline when frequent short breaks are added to the day. Breathe deeply: Breathe fresh air deeply and regularly. The intense mental concentration that may accompany computer use may tend to cause breath-holding or shallow breathing.
  • Page 36 Safety and Comfort Different users of computers have different levels of tolerance for intensive work over a long period. Monitor your personal tolerance levels and avoid regularly exceeding them. If any of the listed health conditions apply to you, it is particularly important to know and monitor your personal limits.
  • Page 37 The order in which you follow the advice in this chapter depends on how adjustable your work surface is. If your work surface height adjusts, then systematically adjust yourself and your computer “from the ground up.” If you have a fixed desk or table, systematically adjust yourself and your computer “from the top down.”...
  • Page 38 Safety and Comfort 1. Seat height: Elbow height should be near your keyboard’s home row. 2. Footrest should be present if you need one. 3. Follow steps 2 through 8 in “From the Ground Up.” Be inventive: You may not always have access to adjustable furniture designed for computer use.
  • Page 39 To increase your comfort and reduce potential safety risks, use this checklist to help you evaluate your work posture and habits. Have you found a range of seated postures that are most comfortable for you? Are you changing postures within your “comfort zone” throughout the day, especially in the afternoon? Are your feet firmly planted? Are the undersides of your thighs near your knees free of...
  • Page 40 Safety and Comfort Do you avoid cradling the phone between your ear and shoulder? Are items you use frequently, such as your phone and reference materials, easy to reach? Do you rest your eyes frequently by focusing on a distant point? Do you get your eyes examined regularly by a vision care specialist?
  • Page 41 If you are using a mouse or detached trackball, is it placed to the immediate right or left of your keyboard? If you are using a mouse or trackball, are you holding it loosely, with a relaxed hand? Do you let go of your pointing device when you are not using it? Are you using a light touch when you click the buttons on your pointing device (mouse, trackball, touchpad, or pointing...
  • Page 42 Safety and Comfort Do you change postures frequently? Do you avoid resting your wrists on your thighs while typing? To avoid neck fatigue when using the computer on a sofa or bed, do you avoid reclining too far? Where possible, have you tried using a full-size keyboard and detached pointing device, such as a mouse or trackball, with your notebook computer? Similarly, have you tried using a full-size monitor?
  • Page 43 Compaq products are designed to operate safely when installed and used according to general safety practices. The guidelines included in this section explain the potential risks associated with computer operation and provide important safety practices designed to minimize these risks. By carefully following the information contained in this section, you can protect yourself from hazards and create a safer computer work environment.
  • Page 44 Safety and Comfort The IEC 950 standards provide general safety design requirements that reduce the risk of personal injury to both the computer user and the service provider. These standards protect against the following hazards: Electric Shock — Hazardous voltage levels contained in parts of the product Fire —...
  • Page 45 In all other countries, operate the product in commercial or residential structures that have electrical installation in compliance with local and regional office and residential electrical wiring codes, such as International Electrotechnical Commission (IEC) 364 parts 1 through 7. Do not use Compaq products in areas classified as Note hazardous locations.
  • Page 46 Safety and Comfort Retain the product’s safety and operating instructions for future reference. Follow all operating and usage instructions. Observe all warnings on the product and in the operating instructions. To reduce the risk of fire, bodily injury, and damage to the equipment, observe the following precautions.
  • Page 47 Do not use the product on an unstable table, cart, stand, tripod, or bracket. The product may fall, causing serious bodily injury and serious damage to the product. Use only with a table, cart, stand, tripod, or bracket recommended by the manufacturer or sold with the product.
  • Page 48 Safety and Comfort The product should be operated only from the type of power source indicated on the product’s electrical ratings label. If you have questions about the type of power source to use, contact your Compaq authorized service provider or local power company.
  • Page 49 If you have not been provided with a power cord for your computer or for any AC-powered option intended for use with your computer, you should purchase a power cord that is approved for use in your country. The power cord must be rated for the product and for the voltage and current marked on the product’s electrical ratings label.
  • Page 50 Safety and Comfort Do not overload an electrical outlet, power strip, or convenience receptacle. The overall system load must not exceed 80 percent of the branch circuit rating. If power strips are used, the load should not exceed 80 percent of the power strip input rating. Unplug the product from the wall outlet before cleaning.
  • Page 51 Allow the equipment’s internal components and hot-pluggable drives to cool before touching them. Never push a foreign object through an opening in the product. In addition to the general precautions described earlier in this section, be sure to observe the following precautions when operating a portable computer product.
  • Page 52 Safety and Comfort In addition to the general precautions described earlier in this section, be sure to observe the following precautions when operating server and network products. Failure to observe these precautions could result in fire, bodily injury, and damage to the equipment.
  • Page 53 Observe the following guidelines when connecting and disconnecting power to the power supplies: Install the power supply before connecting the power cord to the power supply. Unplug the power cord before removing the power supply from the server. If the system has multiple sources of power, disconnect power from the system by unplugging all power cords from the power supplies.
  • Page 54 Safety and Comfort Ensure that the rack is level and stable before extending a component from the rack. Extend only one component at a time. The rack may become unstable if more than one component is extended. Use caution when pressing the component rail release latches and sliding a component into the rack.
  • Page 55 If an outside antenna or cable system is connected to the product, be sure the antenna or cable system is electrically grounded to protect against voltage surges and built-up static charges. Article 810 of the National Electrical Code, ANSI/NFPA 70, provides information about proper electrical grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location...
  • Page 56 Safety and Comfort This reminder is provided to call the CATV (cable television) system installer’s attention to Section 820-40 of the NEC (National Electrical Code), which provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding system of the building, as close to the point of cable entry as practical.
  • Page 57 Å IMPORTANT SAFETY INSTRUCTIONS: When using this device, basic safety precautions should always be followed to reduce the risk of fire, electric shock, and injury to persons, including the following: Do not use this product near water, for example, near a bath tub, wash bowl, kitchen sink, or laundry tub;...
  • Page 58 Safety and Comfort In addition to the general precautions described earlier in this section, be sure to observe the following warnings when operating a product equipped with a laser device. Failure to observe these warnings could result in fire, bodily injury, and damage to the equipment.
  • Page 59 The following label or equivalent is located on the surface of your laser device. This label indicates that the product is classified as a Class 1 laser product. Laser Type Wave Length Divergence Angle Output Power Polarization Numerical Aperture Compaq Presario Mobile Internet PC Safety and Comfort Guide Laser Information Semiconductor GaAIAs...
  • Page 60 Safety and Comfort If you want more information about arrangement of work space and equipment or safety standards, consult the following references: “American National Standard for Human Factors Engineering of Visual Display Terminal Workstations,” ANSI/HFS Standard No. 100-1988. Human Factors Society, Inc., P.O. Box 1369, Santa Monica, CA 90406.
  • Page 61 Human Factors and Ergonomics Society ANSI/HFS 100-1988 Standard P.O. Box 1369 Santa Monica, CA 90406-1369 Tel: 310-394-1811 Fax: 310-394-2410 http://hfes.org Email: info@hfes.org International Standards Organization (ISO) Central Secretariat International Organization for Standardization 1, rue de Varembé Case postale 56 CH-1211 Genève 20, Switzerland Tel: +41-22-749-01-11 Fax: +41-22-733-34-30 http://www.iso.ch...
  • Page 62 Safety and Comfort TCO Information Center 150 North Michigan Ave., Suite 1200 Chicago, IL 60601-7594 Tel: 312-781-6223 Fax: 312-346-0683 http://www.tco-info.com Email: development@tco.se 1–56 Compaq Presario Mobile Internet PC Safety and Comfort Guide...
  • Page 63 Products with the CE marking comply with the EMC Directive (89/336/EEC) and the Low Voltage Directive (73/23/EEC) issued by the Commission of the European Community and if this product has telecommunication functionality, the R&TTE Directive (1999/5/EC). Compliance with these directives implies conformity to the following European Norms (in parentheses are the equivalent international standards and regulations): EN55022 (CISPR 22) —...
  • Page 64 Government Approvals This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
  • Page 65 This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. This device may not cause harmful interference. 2. This device must accept any interference received, including interference that may cause undesired operation. For questions regarding your product, call 1-800-652-6672 (1-800-OK-COMPAQ) or contact: Compaq Computer Corporation...
  • Page 66 Government Approvals The telecommunications device in your computer is approved for connection to the telephone network in the countries whose approval markings are indicated on the product label located on the bottom of the computer or on the modem. Refer to the documentation included with the product to ensure the product is configured for the country in which it is located.
  • Page 67 The applicable certification jack is USOC RJ11C. An FCC compliant telephone cord and a modular plug are provided with this equipment. This equipment is designed to be connected to the telephone network or premises wiring using a compatible modular jack which is Part 68 compliant. See the installation instructions of the equipment for details.
  • Page 68 Government Approvals Connection to party line service is subject to state tariffs. Contact the state public utility commission, public service commission, or corporation commission for information. The Telephone Consumer Protection Act of 1991 makes it unlawful for any person to use a computer or other electronic device, including fax machines, to send any message unless such message clearly contains, in a margin at the top or bottom of each transmitted page or on the first page of the transmission, the date...
  • Page 69 Notice: This equipment meets telecommunications network protective, operational, and safety requirements as prescribed in the appropriate Terminal Equipment Technical Requirements documents. This is confirmed by marking the equipment with the Industry Canada certification number. The Department does not guarantee the equipment will operate to the user’s satisfaction. Before installing this equipment, users should ensure that it is permissible to be connected to the facilities of the local telecommunications company.
  • Page 70 Government Approvals The grant of a Telepermit for any item of terminal equipment indicates only that Telecom has accepted that the item complies with minimum conditions for connection to its network. It indicates no endorsement of the product by Telecom, nor does it provide any sort of warranty.
  • Page 71 Some parameters required for compliance with Telecom’s Telepermit requirements are dependent on the equipment (PC) associated with this device. The associated equipment shall be set to operate within the following limits for compliance with Telecom’s specifications: 1. There shall be no more than 10 call attempts to the same number within any 30-minute period for any single manual call initiation, and 2.
  • Page 72 Government Approvals Safety is important when you are operating your computer. Follow the guidelines in this section to enjoy your computing experience. For information about real-time clock battery replacement, contact your Compaq authorized dealer, reseller, or service provider. Å WARNING: Your computer is provided with a battery-powered, real-time clock circuit.
  • Page 73 If you were not provided with a power cord for your computer or for an AC power accessory intended for use with your computer, you should purchase a power cord that is approved for use in your country. The power cord must be rated for the product and for the voltage and current marked on the product’s electrical ratings label.
  • Page 74 Government Approvals The Center for Devices and Radiological Health (CDRH) of the U.S. Food and Drug Administration implemented regulations for laser products on August 2, 1976. These regulations apply to laser products manufactured since August 1, 1976. Compliance is mandatory for products marketed in the United States. Å...
  • Page 75 Å WARNING: Only authorized technicians trained by Compaq should attempt to repair this equipment. All troubleshooting and repair procedures are detailed to allow only subassembly/module-level repair. Because of the complexity of the individual boards and subassemblies, no one should attempt to make repairs at the component level or to make modifications to any printed wiring board.
  • Page 76 Government Approvals These products are not intended for continuous use in an office environment. The Compaq Presario™ notebook computers bearing the “GS” approval mark meet the requirements of EK1-ITB2000 (Basic Requirements for the GS-Testing of IT Equipment in Conjunction with Display Equipment) when used in conjunction with port replicators, keyboards, and monitors that also bear the “GS”...
  • Page 77 The Energy Star Computers Program was created by the EPA to promote energy efficiency and reduce air pollution through more energy-efficient equipment in homes, offices, and factories. Compaq products achieve this standard by reducing power consumption when not being used. Instructions for using the energy saving features of your computer are located in the power management section of the documentation that came with your computer.