Appendix: Regulatory Notices 73Appendix: Regulatory NoticesFCC Notices (U.S. Only)Most Dell computer systems are classified by the Federal Communications Commission(FCC) as Class B digital devices. To determine which classification applies to your computersystem, examine all FCC registration labels located on the bottom, side, or back panel ofyour computer, on card-mounting brackets, and on the cards themselves. If any one of thelabels 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 either an FCC ID number or theFCC logo, ( ), your system is considered to be a Class B digital device.Once you have determined your system’s FCC classification, read the appropriate FCCnotice. Note that FCC regulations provide that changes or modifications not expresslyapproved by Dell could void your authority to operate this equipment.This device complies with Part 15 of the FCC Rules. Operation is subject to the followingtwo conditions:• This device may not cause harmful interference.• This device must accept any interference received, including interference that maycause undesired operation.Class AThis equipment has been tested and found to comply with the limits for a Class A digitaldevice pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonableprotection against harmful interference when the equipment is operated in a commercialenvironment. This equipment generates, uses, and can radiate radio frequency energy and, ifnot installed and used in accordance with the manufacturer’s instruction manual, may causeharmful interference with radio communications. Operation of this equipment in aresidential area is likely to cause harmful interference, in which case you will be required tocorrect the interference at your own expense.Class BThis equipment has been tested and found to comply with the limits for a Class B digitaldevice pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonableprotection against harmful interference in a residential installation. This equipmentgenerates, uses, and can radiate radio frequency energy and, if not installed and used inaccordance with the manufacturer’s instruction manual, may cause interference with radiocommunications. However, there is no guarantee that interference will not occur in aparticular installation. If this equipment does cause harmful interference to radio ortelevision reception, 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:Downloaded From projector-manual.com DELL Manuals