Dell OptiPlex DHS Guide De Configuration Et De Référence Rapide page 29

Class A
Class A 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
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 his/her own expense.
Class B
Class B 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 different from that
to which the receiver is connected
• Consult Dell or an experienced radio/TV technician for help
NOTE: Inspect the regulatory label affixed to the back or bottom of your Dell
system to determine the environments in which your system may be operated.
NOTE: Additional regulatory information regarding your system can be found
User's Guide .
in your
S e tu p a n d Q u i c k Re fe re n c e Gui d e
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