Apple M9183LL User Manual - Page 66

Safety Instructions for Setting Up and Using Your Computer, Plugging In the Power Adapter - cases

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Safety Instructions for Setting Up and Using Your Computer Plugging In the Power Adapter Always leave space around your power adapter. Do not use this equipment in a location where airflow around the power adapter or computer is confined. Always disconnect the power adapter and remove the battery before opening the computer to perform procedures such as installing memory or removing the hard disk. Warning: Use only the power adapter that came with your PowerBook computer. Adapters for other electronic devices (including other PowerBook models and other portable computers) may look similar, but they may affect your computer's performance or damage it. Connecting a Phone Line to the Internal Modem Always disconnect the phone cord before opening the computer to perform procedures such as installing memory or removing the hard disk. Warning: Do not connect a digital telephone line to the modem, because the wrong type of line could damage the modem. Using Your PowerBook When using your PowerBook or when charging the battery, it is normal for the bottom of the case to get warm. For prolonged use, place your PowerBook on a flat, stable surface. The bottom of the PowerBook case functions as a cooling surface that transfers heat from inside the computer to the cooler air outside. The bottom of the case is raised slightly to allow airflow that keeps the unit within normal operating temperatures. In addition, the computer vents warm air from the back of the case. Warning: Do not place your PowerBook on a pillow or other soft material when it is on, as the material may block the airflow vents, in particular the rear vents, and cause the computer to overheat. Never place anything over your keyboard before closing the display. This can cause your computer to cycle on and off which may create excessive heat and drain your battery. Never turn on your computer unless all of its internal and external parts are in place. Operating the computer when it is open or missing parts can be dangerous and can damage your computer. 66 Appendix B Care, Use, and Safety Information

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66
Appendix B
Care, Use, and Safety Information
Safety Instructions for Setting Up and Using
Your Computer
Plugging In the Power Adapter
Always leave space around your power adapter. Do not use this equipment in a
location where airflow around the power adapter or computer is confined. Always
disconnect the power adapter and remove the battery before opening the computer to
perform procedures such as installing memory or removing the hard disk.
Connecting a Phone Line to the Internal Modem
Always disconnect the phone cord before opening the computer to perform
procedures such as installing memory or removing the hard disk.
Using Your PowerBook
When using your PowerBook or when charging the battery, it is normal for the bottom
of the case to get warm. For prolonged use, place your PowerBook on a flat, stable
surface. The bottom of the PowerBook case functions as a cooling surface that transfers
heat from inside the computer to the cooler air outside. The bottom of the case is
raised slightly to allow airflow that keeps the unit within normal operating
temperatures. In addition, the computer vents warm air from the back of the case.
Warning:
Use only the power adapter that came with your PowerBook computer.
Adapters for other electronic devices (including other PowerBook models and other
portable computers) may look similar, but they may affect your computer’s
performance or damage it.
Warning:
Do not connect a digital telephone line to the modem, because the wrong
type of line could damage the modem.
Warning:
Do not place your PowerBook on a pillow or other soft material when it is
on, as the material may block the airflow vents, in particular the rear vents, and cause
the computer to overheat. Never place anything over your keyboard before closing
the display. This can cause your computer to cycle on and off which may create
excessive heat and drain your battery. Never turn on your computer unless all of its
internal and external parts are in place. Operating the computer when it is open or
missing parts can be dangerous and can damage your computer.