DRAFT

Ergonomic Considerations

13
Ergonomic Considerations
Your notebook is a portable device and can be used in a variet y of environments. Whenever possible,
you should apply th e following ergo nomic consider ations for both st ationary and po rtable
environments.
Position of your notebook Place the notebook directly in front of you as you work. Keep
your forearms horizontal, with your wrists in a neutral, comfortable position while using the
keyboard, touchpad, or external mouse. Let your upper arms hang naturally at your sides. Take
breaks during sessions with your notebook. Excessive use of the notebook may strain muscles
or tendons.
Furniture and postureSit in a chair with good back support and armrests. Adjust the level
of the chair so your feet are flat on the floor. A footrest may make you more comfortable. Sit in
a relaxed, upright posture and avoid slouching forward or leaning far backward.
Viewing angle of the notebook’s display — Use the displays tilting feature to find the best
viewing angle. Also try adjusting the b rightness setting of the display. Following these
suggestions can reduce eye strain and muscle fatigue.
Lighting — Choose a location where windows and lights do not create glare and reflection on
the display. Use indirect lighting to avoid bright spots on the display. You can also purchase
accessories for your display that help reduce glare. Proper lighting adds to your comfort and
work effectiveness.
Placement of an external display — When using an external display, set the display at a
comfortable viewing distance. Make sure the display screen is at eye level or slightly lower
when you are sitting in front of the monitor.

Notes on Setup

Do not place your notebook in a location subj ect to:
Heat sources, such as radiators or air ducts
Direct sunlight
Excessive dust
Moisture or rain
Mechanical vibration or shock
Strong magnets or speakers that are not magnetically shielded
Ambient temperature of more than 95ºF (35 ºC) or less than 40ºF ( 5ºC)
High humidity
Do not place electronic equipment near your n otebook. The notebooks electromagnetic field
may cause a malfunction.
Provide adequate air circulation to prevent internal heat buildup. Do not place your notebook on
porous surfaces such as rugs or blankets, or near materials such as curtains or draperies that may
block its ventilation slots. Leave a space of at least 8 inc hes (20 cm) behind the back panel of
the notebook.