Ancillary Data

You can select which lines in the vertical and horizontal blanking area are stripped or passed, as well which line the video image starts on. This allows you to protect and pass information such as embedded audio, or closed captioning, with the video signal.

Figure: Vertical and Horizontal Blanking Area (480i)

Field and frame line numbers depend on the video format the switcher is operating in. If the switcher is operating in a Progressive Scan video format, no even or odd information is displayed.

Ancillary data parameters are set independently for each video format. Changing video formats recalls the last saved parameters for the selected video format.