Dell XXX - Manuel (Page 30)

30 Product Information Guide
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Regulatory Notices
Electromagnetic Interference (EMI) is any signal or emission, radiated in free
space or conducted along power or signal leads, that endangers the functioning
of a radio navigation or other safety service or seriously degrades, obstructs, or
repeatedly interrupts a licensed radio communications service. Radio
communications services include but are not limited to AM/FM commercial
broadcast, television, cellular services, radar, air-traffic control, pager, and
Personal Communication Services (PCS). These licensed services, along with
unintentional radiators such as digital devices, including computers, contribute
to the electromagnetic environment.
Electromagnetic Compatibility is the ability of items of electronic equipment
to function properly together in the electronic environment. While this
computer has been designed and determined to be compliant with regulatory
agency limits for EMI, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause interference with radio
communications services, which can be determined by turning the equipment
off and on, you are encouraged to try to correct the interference by one or more
of the following measures:
• Reorient the receiving antenna.
• Relocate the computer with respect to the receiver.
• Move the computer away from the receiver.
• Plug the computer into a different outlet so that the computer and the
receiver are on different branch circuits.
If necessary, consult a Dell Technical Support representative or an experienced
radio/television technician for additional suggestions.
For additional regulatory information, see the owner’s manual or user’s guide
for your computer.
Dell™ computers are designed, tested, and classified for their intended
electromagnetic environment. These electromagnetic environment
classifications generally refer to the following harmonized definitions:
• Class A is typically for business or industrial environments.
• Class B is typically for residential environments.
Information Technology Equipment (ITE), including devices, expansion cards,
printers, input/output (I/O) devices, monitors, and so on, that are integrated
into or connected to the computer should match the electromagnetic
environment classification of the computer.
A Notice About Shielded Signal Cables: Use only shielded cables for
connecting devices to any Dell device to reduce the possibility of interference
with radio communications services. Using shielded cables ensures that you
maintain the appropriate Electromagnetic Compatibility classification for
the intended environment. Cables are available from Dell at www.dell.com.