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517684-001.book Page 14 Thursday, December 11, 2008 10:02 PM
Chapter 4: Keeping your device safe
To optimize the privacy protection features of the device, follow these guidelines:
Keep the operating system and other software updated. Many software updates contain
security enhancements.
Use a firewall. Firewall software monitors incoming network traffic on the device to
block messages that do not meet specific security criteria. Some firewalls also monitor
outgoing traffic.
Protecting the device from power surges
To protect the device from power surges that may be caused by an uncertain power supply or
an electrical storm, observe these practices:
Plug the device power cord into a high-quality surge protector (purchased separately).
Surge protectors are available from most consumer hardware or electronics retailers.
During an electrical storm, either run the device on battery power or shut down the
device and unplug the power cord.
Using the device safely
WARNING: To reduce the risk of electric shock or damage to your equipment, observe
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these practices:
Plug the power cord into an AC outlet that is easily accessible at all times.
Disconnect power from the device by unplugging the power cord from the AC outlet
(not by unplugging the power cord from the device).
If provided with a 3-pin attachment plug on your power cord, plug the cord into a
grounded (earthed) 3-pin outlet. Do not disable the power cord grounding pin, for
example, by attaching a 2-pin adapter. The grounding pin is an important safety
feature.
WARNING: To reduce the possibility of heat-related injuries or of overheating the
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device, do not place the device directly on your lap or obstruct the device air vents.
Use the device only on a hard, flat surface. Do not allow another hard surface, such
as an adjoining optional printer, or a soft surface, such as pillows or rugs or
clothing, to block airflow. Also, do not allow the AC adapter to contact the skin or a
soft surface, such as pillows or rugs or clothing, during operation. The device and
the AC adapter comply with the user-accessible surface temperature limits defined
by the International Standard for Safety of Information Technology Equipment
(IEC 60950).
WARNING: To reduce potential safety issues, use only the AC adapter or battery
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provided with the device, a replacement AC adapter or battery provided by HP, or a
compatible AC adapter or battery purchased as an accessory from HP.
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