valutazioni - 4, GPA: 3.5 ( )

Produttore : Toshiba File Size : 3.43 mb File Nome : Lingua di insegnamento:

For example, stand up and walk around or stretch for a few minutes every hour. . Taking regular breaks is especially important if you are working long hours on your computer or working on a deadline. . If stress at work is affecting your health, try to identify the sources of the stress and evaluate ways to reduce the stress. Mobile computing tips . When using the notebook at airports, on airplanes or trains, or at meetings, make sure that you take the time to consider the points just mentioned. . When working on the road it may be difficult to set up the notebook in an optimal position. In these situations it is important that you take frequent breaks and change your posture frequently to relieve the excess loads on your body. . Be creative, when in a hotel room, use a rolled up blanket or pillows to provide back support, or to provide arm support. To position the computer at a good height, remember to operate the computer on a hard flat stable surface. Using your computer on a carpet, blanket or other soft materials can block the air vents including those located at the base of the computer and possibly cause overheating of your computer. Transporting the notebook Although your notebook is light, carrying it for a long time may lead to shoulder and arm fatigue. If you carry your notebook with other items, consider using an ergonomically-designed computer case. Seeking additional help Follow the advice from your employer’s company health and safety staff. Contact them if you need assistance making adjustment to your workstation or adjusting the lighting. Again, if you experience persistent or recurrent pain, ache, numbness, burning, or stiffness you should promptly see a qualified health care provider. These sensations may be caused by serious medical conditions that can be treated. For more specific recommendations on the safety and comfort of your computer environment, customers in the United States may visit the United States Department of Labor, Occupational Safety & 36 36 36d Selecting a place to work Health Administration Web site at: Check list . Is your chair comfortable - does it support your back and arms well? . Are your feet flat on the ground? . Is there adequate space under your desk for your legs? . Are the keyboard and mouse at elbow level? . Are your shoulders relaxed when using the keyboard? . Are your shoulders relaxed when using a mouse or other optional pointing device? . Are your hands and wrists aligned in a comfortable, straight posture? . Are your arms supported in the forearm area (not at the wrist)? . Do you hold the mouse or trackball with a loose, relaxed hand? . Do you use a light touch when typing or using the mouse? . Do you clean your mouse or trackball regularly? . Is the top of your monitor close to eye level? . Is the monitor about an arm length away? . Have you eliminated the glare on the monitor? . Is the monitor tilted so that it is easy to read? . Do you change postures regularly? . Do you take breaks, at least once an hour? Precautions Your computer is designed to provide optimum safety and ease of use, and to withstand the rigors of travel. You should observe certain precautions to further reduce the risk of personal injury or damage to the computer. Avoid prolonged physical contact with the underside or surface of the computer. 37 Selecting a place to work Never allow any liquids to spill into any part of your computer, and never expose the computer to rain, water, seawater or moisture. Exposure to liquid or moisture can cause electric shock or fire, resulting in damage or serious injury. If any of these eventualities should accidentally occur, immediately: 1. Turn off the computer. 2. Disconnect the AC adaptor from the power plug socket and computer. 3. Remove the battery pack. Failure to follow these instructions could result in serious injury or permanent damage to the computer. Do not turn on the power again until you have taken the computer to an authorized service center. . Avoid prolonged physical contact with the underside or surface of the computer. . Computer base and palm rest can become hot! Avoid prolonged contact to prevent heat injury to skin. Never place a heavy object on the computer and be careful not to drop a heavy object onto the computer. It could damage the computer or cause system failure. . Never turn off the computer if a drive light indicates a drive is active. Turning off the computer while it is reading from or writing to a disk/disc or flash media may damage the disk/disc or flash media, the drive, or both. . Keep the computer and disks away from objects that generate strong magnetic fields, such as large stereo speakers. Information on some disks is stored magnetically. Placing a magnet too close to a disk can erase important files. Handle discs carefully. Avoid touching the surface of the disc. Grasp it by its center hole and edge. If you handle the disc incorrectly, you could da...

Scarica la tua

Per scaricare, digitare 2 cifre :