• Screen position: Keep the screen at a comfortable viewing distance, usually 51–61 cm (20–24 inches).Then, adjust the screen so that the top of the screen is at or slightly below eye level and you can view itwithout twisting your body.• Chair position: Use a chair that gives you good back support and seat height adjustment. Use chairadjustments to best suit your desired posture.• Head position: Keep your head and neck in a comfortable and neutral (vertical or upright) position.• Arm and hand positions: Keep your forearms, wrists, and hands in a relaxed and neutral (horizontal)position. Type with a soft touch without pounding the keys.• Leg position: Keep your thighs parallel to the floor and your feet flat on the floor or on a footrest.Make minor modifications in your working posture to deter the onset of discomfort caused by long periodsof working in the same position. Frequent short breaks from your work also help to prevent minor discomfortassociated with your working posture.Accessibility informationLenovo is committed to providing users who have hearing, vision, and mobility limitations with greateraccess to information and technology. This section provides information about the ways these users can getthe most out of their computer experience. You also can get the most up-to-date accessibility informationfrom the following Web site:http://www.lenovo.com/accessibilityKeyboard shortcutsThe following table contains keyboard shortcuts that can help make your computer easier to use.Note: Depending on your keyboard, some of the following keyboard shortcuts might not be available.Keyboard shortcut FunctionWindows logo key + U Open Ease of Access CenterRight Shift for eight seconds Turn on or turn off Filter KeysShift five times Turn on or turn off Sticky KeysNum Lock for five seconds Turn on or turn off Toggle KeysLeft Alt+Left Shift+Num Lock Turn on or turn off Mouse KeysLeft Alt+Left Shift+PrtScn (or PrtSc) Turn on or turn off High ContrastFor more information, go to http://windows.microsoft.com/, and then perform a search using any of thefollowing keywords: keyboard shortcuts, key combinations, shortcut keys.50 ThinkStation P410 Hardware Maintenance Manual
