Regulatory compliance notices 91
8 Regulatory compliance notices
Federal Communications Commission notice
Part 15 of the Federal Communications Commission (FCC) Rules and Regulations has established Radio Frequency
(RF) emission limits to provide an interference-free radio frequency spectrum. Many electronic devices, including
computers, generate RF energy incidental to their intended function and are, therefore, covered by these rules. These
rules place computers and related peripheral devices into two classes, A and B, depending upon their intended
installation. Class A devices are those that may reasonably be expected to be installed in a business or commercial
environment. Class B devices are those that may reasonably be expected to be installed in a residential environment
(for example, personal computers). The FCC requires devices in both classes to bear a label indicating the
interference potential of the device as well as additional operating instructions for the user.
The FCC rating label on the device shows the classification (A or B) of the equipment. Class B devices have an FCC
logo or FCC ID on the label. Class A devices do not have an FCC logo or FCC ID on the label. After the Class of the
device is determined, see the corresponding statement in the following sections.
Class A equipment
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15
of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in
which case the user will be required to correct the interference at personal expense.
Class B equipment
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference
to radio or television reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit that is different from that to which the receiver is connected.
• Consult the dealer or an experienced radio or television technician for help.
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