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When you source content from devices, you must first choose the audio or video devices you want to use. After choosing the devices, you can set their properties directly from the encoder. The properties for some devices, such as audio and video cards, are global and apply not only to all sources in your encoding session but to all programs on your computer. (For example, brightness, contrast, capture dimensions, and audio mixer settings.)
You can use devices and capture cards only once in a session. For example, if you create two sources—one source is a live event in which a speaker is introducing a new video, and the second source is the video—you need a separate card and device for each source.
Some devices can be controlled directly from the encoder. If you have enabled device control, you can set up an edit decision list (EDL) in which you identify the portions of tape that you want to encode.
You can configure audio and video device properties by using the New Session Wizard, the Properties panel, or the Configure Devices command on the Tools menu. Devices must already be installed on your computer to configure them in the encoder. You cannot use the encoder to add or remove hardware; use Control Panel instead.
If you have installed a supported TV tuner card, you can change the TV channels by using the encoder.