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3 Working in Comfort
18 English
• Your HP keyboard may have a kickstand that can be opened or closed to
raise or lower the keyboard angle. If you are in the correct sitting position
with your elbows at about the same level as the work surface, you may not
need to use it. However, if your elbows are below the work surface, you may
wish to use the kickstand to raise the back of the keyboard.
• An adjustable keyboard tray may be useful if you cannot adjust your chair
or work surface to the proper height for typing. It should adjust in height
from 64 to 76 cm (25 to 30 inches) above the floor and tilt forward and
backward to help you find the most comfortable position. Note that
research has shown that there may be less muscle tension in shoulders and
forearms with the keyboard tilted away from you.
• When using your HP keyboard, remember it takes very little pressure or
force from your fingers to activate the keys. Improper typing style—the use
of too much force—can place unnecessary stress on the tendons and
muscles in your hands, wrists, and forearms.
• Make sure that your hands are in a neutral position when you use your
keyboard. This means that your forearms, wrists, and hands should be in a
straight line.
• The keyboard has a low profile to help prevent excessive bending of your
wrists while typing. Literature suggests that you should not bend your
wrists sideways or more than 10 degrees up or down. Keep your wrists
straight by moving your entire hand and forearm over to use the function
keys or numeric keypad.
• You may use a palm rest to help keep your hands and wrists in a comfortable
and neutral position when you are not typing. Some HP keyboards come
with an integrated palm rest. If you use a palm rest, see that it is rounded
and padded, and flush in height with the front edge of the keyboard. Note
that your palms—not your wrists—should rest on the palm rest. If you don't
have a palm rest, try not to rest your wrists on a sharp edge, such as a work
surface edge.
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drac-usr.bk : wic-chap.fb4 Page 18 Friday, April 30, 1999 3:48 PM