Dell Precision 620 System Information Manual

Also see for Inspiron 620: Setup guide Upgrade manual Quick start Quick reference guide Service manual

Contents

Dell Precision 620 System Information Manual Manual pdf 6 page image

1-2 Dell Precision WorkStations System Information GuideYou may also have one or more of the following printed documents:• Operating system documentation, which is included if you ordered your operat-ing system software form Dell.• Documentation included with any options you purchase separately from yoursystem. This documentation includes information that you need to configure andinstall these options in your Dell computer.Getting HelpDell provides a number of tools to help you if your system does not perform as expected.For the latest troubleshooting information available for your system, see the Dell Website at http://support.dell.com. You can also find descriptions of Dell troubleshootingtools in the section titled “Getting Help” in your onlineSystem User’s Guide.Ergonomic Computing HabitsCAUTION: Improper or prolonged keyboard use may result in injury.CAUTION: Viewing the monitor screen for extended periods of time mayresult in eye strain.For comfort and efficiency, observe the following ergonomic guidelines when settingup and using your computer system:• Position your system so that the monitor and keyboard are directly in front of youas you work. Special shelves are available (from Dell and other sources) to helpyou correctly position your keyboard.• Set the monitor at a comfortable viewing distance (usually 510 to 610 millimeters[20 to 24 inches] from your eyes).• Make sure that the monitor screen is at eye level or slightly lower when you aresitting in front of the monitor.• Adjust the tilt of the monitor, its contrast and brightness settings, and the lightingaround you (such as overhead lights, desk lamps, and the curtains or blinds onnearby windows) to minimize reflections and glare on the monitor screen.• Use a chair that provides good lower back support.• Keep your forearms horizontal with your wrists in a neutral, comfortable positionwhile using the keyboard or mouse.• Always leave space to rest your hands while using the keyboard or mouse.• Let your upper arms hang naturally at your sides.• Sit erect, with your feet resting on the floor and your thighs level.• When sitting, make sure that the weight of your legs is on your feet and not onthe front of your chair seat. Adjust your chair’s height or use a footrest, if neces-sary, to maintain proper posture.