Canon TS-E 17mm f/4L TS-E17mm F4L Instruction Manual - Page 4

Safety Precautions, Countermeasures for harmful rays - test

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a Safety Precautions Countermeasures for harmful rays The TS-E17mm f/4L has a wide angle of view, and the lens protrudes from the front frame, so it can be affected by harmful rays. To prevent flare and ghosting, cutting off the harmful rays entering the lens with a piece of cardboard is recommended. Cutting off harmful rays is also recommended for TSE24mm f/3.5L II, by using both the hood and the method used for TS-E17mm f/4L. Conventions used in this instruction Warning to prevent lens or camera malfunction or damage. Supplementary notes on using the lens and taking pictures. This device complies with Part 15 of the FCC Rules. Operation is subject to the following 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 otherwise 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 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. • Consult the dealer or an experienced radio/TV technician for help. This Class B digital apparatus complies with Canadian ICES-003. ENG-3

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ENG-3
a
Safety Precautions
Countermeasures for harmful rays
The TS-E17mm f/4L has a wide angle of view, and the
lens protrudes from the front frame, so it can be
affected by harmful rays.
To prevent flare and ghosting,
cutting off the harmful rays entering the lens with a piece
of cardboard is recommended.
Cutting off harmful rays is also recommended for TS-
E24mm f/3.5L II, by using both the hood and the method
used for TS-E17mm f/4L.
Conventions used in this instruction
Warning to prevent lens or camera malfunction
or damage.
Supplementary notes on using the lens and
taking pictures.
This device complies with Part 15 of the FCC Rules. Operation is
subject to the following 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 otherwise 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 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.
• Consult the dealer or an experienced radio/TV technician for
help.
This Class B digital apparatus complies with Canadian ICES-003.