Canon Speedlite 420EX User Manual

Page 54

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This device complies with Part 15 of the FCC Rules. Operation is subject to the
foilowing two conditions: (1) This device may not cause harmful interference, and

(2) this device must accept any interference received, including interference that
may cause undesired operation.

Do not make any changes or modifications to the equipment unless othenwise

specified in the instructions. If such changes or modifications should be made,
you could be required to stop operation of the equipment.

This equipment has been tested and found to compiy 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.
• Consult the dealer or an experienced radio/TV technician for help.

This digital apparatus does not exceed the Class B limits for radio noise

emissions from digital apparatus as set out in the interference-causing
equipment standard entitled "Digital Apparatus", ICES-003 of the Industry
Canada.

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