Regulatory Notices E-1

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Electrom agneti c Inter feren ce (EM I) i s an y si gnal or emissio n, radi ated i n f ree sp ace o r
conducted along power or signal leads, that endangers the functioning of a radio navi-
gation 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 ser-
vices, radar, air-traffic control, pager, and Personal Communication Services (PCS).
These licensed services, along with unintentional radiators such as digital devices,
including computer systems, contribute to the electromagnetic environment.
Electrom agneti c Compatib ility (EMC) i s the abil ity of items of elec tronic equipm ent to
function properly togeth er in the electronic en viro nment. While this co mputer sy stem
has been designed and determined to be compliant with regulatory agency limits for
EMI, there is no gu arantee that in terf erence wi ll not occur in a partic ular installation . If
this equipment does cause interference with radio communications services, which
can be dete rmi ned b y turnin g the eq ui pme nt off and on, you are enc ouraged 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 Regulatory EMC representative of Dell Computer Corporation
or an experienced radio/television technician for additional suggestions. You may find
the
FCC Interference Handbook, 1986
, to be helpful. It is available from the U.S. Gov-
ernment Printing Office, Washington, DC 20402, Stock No. 004-0 00-00450-7 or on
the World Wide Web at http://www.fcc.gov/Bureaus/Compliance/WWW/
tvibook.html.
Dell computer systems are designed , tested, and classified for t heir intended electro-
magnetic environment. These electromagnetic environment classifications generally
refer to the following harmonized definitions:
Class A is for business or industrial environments.
Class B is for resi dential envi ronments.