A extendible Video-Audio Switcher circuit by hand-selecting or automatic sequential switching was intro duced.

介绍了手选和自动顺序切换均可任意扩展的视音频切换电路。

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Click the source below to judge for yourself, or hold on after the break for a quick intro video.

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But under the stewardship of its president Mark Silverman, the BTN is now a national sports network seen in over 50 million homes (the intro in the video below incorrectly says 40 million homes) with the conference games also available on BTN2Go, one of only two nationally distributed mobile sports services in over 30 million homes.

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The first video above at 12 mins is a good intro.

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