Sony PCG-F570 Manual

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Setting Up Your Notebook
This section describes how to start using your computer and how to use 
your computer’s internal and external devices such as the touchpad, 
floppy disk drive, and DVD-ROM drive.
Ergonomic Considerations
You will be using your notebook computer as a portable device in a 
variety of environments. Whenever possible, you should attempt to 
apply the following ergonomic considerations to both stationary and 
portable environments.
Position of your computer –
 Place the computer 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, 
Computer positioned
directly in front of you
Wrists relaxed
and flat
Arms at desk 
level