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К этому устройству также есть другие инструкции:
Фрагмент инструкции
Most Dell printers are classified for Class B environments. However, the inclusion of certain options can
change the rating of some configurations to Class A. To determine the electromagnetic classification for your
printer or device, see the following sections specific for each regulatory agency. Each section provides
country-specific EMC/EMI or product safety information.
FCC Notices (U.S. Only)
Most Dell printers are classified by the Federal Communications Commission (FCC) as Class B digital devices.
To determine which classification applies to your printer, examine all FCC registration labels located on the
bottom, side, or back panel of your printer, on card-mounting brackets, and on the cards themselves. If any
one of the labels carries a Class A rating, your entire printer 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 the FCC logo, (
), your
printer is considered to be a Class B digital device.
Once you have determined your printer's FCC classification, read the appropriate FCC notice. Note that FCC
regulations provide that changes or modifications not expressly approved 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 following two conditions:
This device may not cause harmful interference.
This device must accept any interference received, including interference that may cause undesired
operation.
Class A
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 manufacturer's
instruction manual, may cause harmful interference with radio communications. Operation of this equipment
in a residential area is likely to cause harmful interference, in which case you will be required to correct the
interference at your own expense.
Class B
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 manufacturer's instruction manual, may cause
interference with 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, you are encouraged to try to correct the
interference by one or more of the following measures:
...