Key Source; Key Tie - Datavideo SE-4000 Instruction Manual

Select Fine if you require high keying quality and Normal for original keying quality.
Next, select one video source from all available options in Key Source.

Key Source

Assign a key source to the keyer selected.
Various options are listed below:
 Bars: Color bars
 Matte: A configurable color screen and the Matte value can be set in Matte option of
the Start menu
 Input 1 – 8: Image source loaded to channel buttons 1 – 8
 Black: Black Screen

Key Tie

Key tie is a feature that allows you to overlay a foreground image on a background image. The
key tie image can then be opened by pressing the corresponding input button of the
background image. Note that if key tie is enabled for a particular keyer, the corresponding
keyer button will be disabled.
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