Fill Source; Chroma; Mask - Data Video SE-700 Instruction Manual

7.2.4 Fill Source

This sub-option allows the user to assign the fill source; various options are listed below:
Bars Matte

7.2.5 Chroma

In this sub-option, the user will be able to find all the parameters needed to perform chromakeying of
the green backdrop.
CK Setup
CK Auto: This function calculates the best Hue & Luma values for the current Keyer source.
Hue: This parameter adjusts the color of the chroma key. A typical green screen value will be around 120.
Blue screen value will be around 240.
Luma: This parameter adjusts the luma value of the chroma key
Key Acc (Key Acceptance): Key Acceptance sets the range of hues or colors (0 – 360 degrees) that closely
match the background color to be keyed. The user can start with a value of 120 degrees and this value
can be fine-tuned up or down depending on the setup of the green or blue screen studio.
Key Lift (K Lift): Key Lift adjusts the performance of the chroma key in dark or black areas. Apply more
Key Lift if the dark areas are becoming too transparent.
Key Gain (K Gain): Key Gain adjusts the performance of the chroma key in light or white areas. Apply
more Key Gain if the light areas are becoming too transparent.
Hi-Light: Hi-light boosts the foreground key in high luminance area.
Lo-Light: Lo-light boosts the foreground key in low luminance area.
Bg-Supp: Background Suppress removes the Luma (Brightness) of the background from the final image.
Bg-Supp turns ON/OFF background suppression.

7.2.6 Mask

The Mask feature allows the user to configure the Mask in chroma mode, luma mode or linear mode.
• Left – Left sets the left edge of the keyer mask.
• Right – Right sets the right edge of the keyer mask.
• Top – Top sets the top edge of the keyer mask.
• Bottom – Bottom sets the bottom edge of the keyer mask.
Freeze Still Input4 Input3
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Input2 Input1 Black