HP Brio ba200 hp brio ba200, user guide - Page 79

Mice and Other Input Devices

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Setting Up Your HP Computing Equipment • 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. Mice and Other Input Devices NOTE: This is an example mouse, you may have a mouse of a different design. Various aspects of using mice and other input devices may increase your risk of discomfort or injury. Observing the following recommendations may reduce that risk: • As with the keyboard, try to keep your hand, wrist and forearm in a neutral position while using your mouse or other input device. • When using a stylus or light pen with a graphics tablet, don't grip the stylus tightly. Keep your hand and fingers relaxed and try to maintain a neutral posture in your hand, wrist and forearm. • If you use your thumb to rotate the ball on a trackball or spaceball, keep it in a relaxed, natural shape, and maintain a neutral posture in your hand, wrist and forearm. • Hold the mouse gently by draping your fingers over it. Keep your hand relaxed and fingers loose. Do not grip the mouse tightly. • It takes very little pressure or force from your fingers to activate the buttons or scroll wheel on your mouse, scrolling mouse, trackball or other input device. Using too much force can place unnecessary stress on the tendons and muscles in your hands, wrists and forearms. 73

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73
Setting Up Your HP Computing Equipment
•
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.
Mice and Other Input Devices
Various aspects of using mice and other input devices may increase your risk of
discomfort or injury. Observing the following recommendations may reduce that risk:
•
As with the keyboard, try to keep your hand, wrist and forearm in a neutral position
while using your mouse or other input device.
•
When using a stylus or light pen with a graphics tablet, don't grip the stylus tightly.
Keep your hand and fingers relaxed and try to maintain a neutral posture in your
hand, wrist and forearm.
•
If you use your thumb to rotate the ball on a trackball or spaceball, keep it in a
relaxed, natural shape, and maintain a neutral posture in your hand, wrist and
forearm.
•
Hold the mouse gently by draping your fingers over it. Keep your hand relaxed and
fingers loose. Do not grip the mouse tightly.
•
It takes very little pressure or force from your fingers to activate the buttons or
scroll wheel on your mouse, scrolling mouse, trackball or other input device. Using
too much force can place unnecessary stress on the tendons and muscles in your
hands, wrists and forearms.
NOTE: This is an example mouse, you may have a
mouse of a different design.