Dell OptiPlex 81FTK Setup And Quick Reference Manual

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Setup and Quick Reference Guide 21• Class B designates a device which may be operated in residential settings as well asbusiness or industrial environments.Class AClass A 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 providereasonable protection against harmful interference in a commercial environment. Thisequipment generates, uses, and can radiate radio frequency energy and, if not installed andused in accordance with the instructions, may cause harmful interference to radiocommunications. Operation of this equipment in a residential area is likely to causeharmful interference, in which case the user will be required to correct the interference athis/her own expense.Class BClass B 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 providereasonable protection against harmful interference in a residential installation. Thisequipment generates, uses, and can radiate radio frequency energy and, if not installed andused in accordance with the instructions, may cause harmful interference to 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, theuser is encouraged to try to correct the interference by one or more of the followingmeasures:• Reorient or relocate the receiving antenna• Increase the separation between the equipment and receiver• Connect the equipment into an outlet on a circuit different from that to which thereceiver is connected• Consult Dell or an experienced radio/TV technician for help