User Manual

Chapter 6 Safety, handling, and support 35
Using connectors and ports. Never force a connector into a port. When connecting a device,
make sure the port is free of debris, that the connector matches the port, and that you have
positioned the connector correctly in relation to the port.
Storing your MacBook Pro. If you are going to store your MacBook Pro for an extended period
of time, keep it in a cool location (ideally, 71° F or 22° C) and discharge the battery to 50 percent.
When storing your computer for longer than ve months, maintain the capacity of the battery by
charging the battery to 50 percent every six months or so.
Cleaning your MacBook Pro. When cleaning the outside of your MacBook Pro and its components,
rst shut down your MacBook Pro, and then unplug the 60W MagSafe 2 Power Adapter. Then
dampen a clean, lint-free cloth to wipe the MacBook Pro exterior. Avoid getting moisture in any
openings. Don’t spray liquid directly on the computer. Don’t use aerosol sprays, solvents, abrasives,
or cleaners containing hydrogen peroxide that might damage the nish.
Cleaning the MacBook Pro screen. To clean your MacBook Pro screen, rst shut down your
MacBook Pro and unplug the 60W MagSafe 2 Power Adapter. Dampen a clean, lint-free cloth
with just water and wipe the screen. Don’t spray liquid directly on the screen.
Understanding ergonomics
When you use the keyboard and trackpad, your shoulders should be relaxed. Your upper arm and
forearm should form an angle that is slightly greater than a right angle, with your wrist and hand
in roughly a straight line.
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Use a light touch when typing or using the trackpad and keep your hands and ngers relaxed.
Avoid rolling your thumbs under your palms.
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Change hand positions often to avoid fatigue. Some computer users might develop discomfort
in their hands, wrists, or arms after intensive work without breaks. If you begin to develop
chronic pain or discomfort in your hands, wrists, or arms, consult a qualied health specialist.
External mouse. If you use an external mouse, position the mouse at the same height as the
keyboard and within a comfortable reach.
Chair. An adjustable chair that provides rm, comfortable support is best. Adjust the height of
the chair so your thighs are horizontal and your feet are at on the oor. The back of the chair
should support your lower back (lumbar region). Follow the manufacturer’s instructions for
adjusting the backrest to t your body properly.
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