Dell AND SVUA Product Information Manual

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Dell AND SVUA Product Information Manual Manual pdf 14 page image

12 Product Information GuideRegulatory NoticesElectromagnetic Interference (EMI) is any signal or emission, radiated in free space or conducted along power or signal leads, thatendangers the functioning of a radio navigation or other safety service or seriously degrades, obstructs, or repeatedly interrupts alicensed radio communications service. Radio communications services include but are not limited to AM/FM commercialbroadcast, television, cellular services, radar, air-traffic control, pager, and Personal Communication Services (PCS). These licensedservices, along with unintentional radiators such as digital devices, including computer systems, contribute to the electromagneticenvironment.Electromagnetic Compatibility (EMC) is the ability of items of electronic equipment to function properly together in theelectronic environment. While this computer system has been designed and determined to be compliant with regulatory agencylimits for EMI, there is no guarantee that interference will not occur in a particular installation. If this equipment does causeinterference with radio communications services, which can be determined by turning the equipment off and on, you areencouraged 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, contact technical support or an experienced radio/television technician for additional suggestions.Your computer systems are designed, tested, and classified for their intended electromagnetic environment. These electromagneticenvironment 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 peripherals, expansion cards, printers, input/output (I/O) devices, monitors,and so on, that are integrated into or connected to the system should match the electromagnetic environment classification of thecomputer system.A Notice About Shielded Signal Cables: Use only shielded cables for connecting peripherals to any device to reduce thepossibility of interference with radio communications services. Using shielded cables ensures that you maintain the appropriateEMC classification for the intended environment. For parallel printers, a cable is available from your computer supplier.Most computer systems are classified for Class B environments. However, the inclusion of certain options can change the ratingof some configurations to Class A. To determine the electromagnetic classification for your system or device, see the followingsections specific for each regulatory agency. Each section provides country-specific EMC/EMI or product safety information.FCC Notices (U.S. Only)Most computer systems are classified by the Federal Communications Commission (FCC) as Class B digital devices. To determinewhich classification applies to your computer system, examine all FCC registration labels located on the bottom, side, or backpanel of your computer, on card-mounting brackets, and on the cards themselves. If any one of the labels carries a Class A rating,your entire system is considered to be a Class A digital device. If all labels carry an FCC Class B rating as distinguished by eitheran FCC ID number or the FCC logo, ( ), your system is considered to be a Class B digital device.Once you have determined your system’s FCC classification, read the appropriate FCC notice. Note that FCC regulations providethat changes or modifications not expressly approved by your computer manufacturer could void your authority to operate thisequipment.This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:• This device may not cause harmful interference.• This device must accept any interference received, including interference that may cause undesired operation.book.book Page 12 Tuesday, January 9, 2007 11:43 AM