IBM ThinkPad 770, Руководство пользователя

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Note: The example shown here is of someone in a traditional setting. Even
when not in such a setting, you can follow many of these tips.
Develop good habits, and they will serve you well.
1
Head
Keep your head in a
comfortable and vertical
position.
2
View
Maintain a comfortable viewing
distance of 510–760 mm
(20–30 in.).
3
Display
Position the display to avoid
glare or reflections from
overhead lighting or outside
sources of light.
Keep the display screen clean
and set the contrast and
brightness to levels that allow
you to see the screen clearly.
4
Thighs
Keep your thighs parallel to
the floor and your feet flat on
the floor or on a footrest.
5
Arms
Keep your forearms, wrists,
and hands in a relaxed and
neutral position. Don't pound
the keys; type with a soft
touch.
6
Chair
Use a chair that gives you
good back support.
Appendix C. Notices
59