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Nikon DSLR Cameras
D3100
In the Box...
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<blockquote data-quote="Don Kuykendall_RIP" data-source="post: 170562" data-attributes="member: 6277"><p>It is supposed to go on the USB cable that is used to transfer the pictures to the computer. </p><p></p><p>The "magnets" on both sides of the USB cable are actuallt toroids. These are used to supress (reduce) electromagnetic interference from the cable when connected. The camera, as an electronic device is regulated by the FCC here in the US and it must comply to emission regulation standards.</p><p>When a cable is attached to a device it acts like an antenna, hence radiates various electromagnetic frequencies. The torroids are placed on the cable to provide a "low impedance" path for these waves and converts the energy to heat, hence reducing the overall emmissions of the device.</p></blockquote><p></p>
[QUOTE="Don Kuykendall_RIP, post: 170562, member: 6277"] It is supposed to go on the USB cable that is used to transfer the pictures to the computer. The "magnets" on both sides of the USB cable are actuallt toroids. These are used to supress (reduce) electromagnetic interference from the cable when connected. The camera, as an electronic device is regulated by the FCC here in the US and it must comply to emission regulation standards. When a cable is attached to a device it acts like an antenna, hence radiates various electromagnetic frequencies. The torroids are placed on the cable to provide a "low impedance" path for these waves and converts the energy to heat, hence reducing the overall emmissions of the device. [/QUOTE]
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Nikon DSLR Cameras
D3100
In the Box...
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