Chroma - Datavideo EPB-1340 Instruction Manual

Lift adjusts the dark/black areas of the key image.
Gain adjusts the light/white areas of the key image.
Opacity adjusts the transparency of the overall foreground key image.
Key Source
This sub-option allows the user to assign the key source; various options are listed below:
Bars Matte
Fill Source
This sub-option allows the user to assign the fill source if Split is selected; various options are listed below:
Bars Matte
Mask
The Mask feature allows the user to configure the Mask in chroma, luma 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.

Chroma

In this option, the user will be able to find all the parameters needed to perform chromakeying of the
green backdrop.
Advanced Mode = Basic Mode
Chroma
Keyer
First of all, select the Keyer that you would like to enable for the chromakeyer (Key 1, or Key 2) and then
select one Key Source from all available Key Sources listed in the table below.
Bars Matte
CK Setup
In this sub-option, the user will be able to fine tune various chroma keyer parameters.
CK Auto: This function calculates the best Hue & Luma values for the current Key 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
Input6 Input5
Input6 Input5
Keyer
Key Source
CK Setup
Mask
Input6 Input5
Input4 Input3
Input4 Input3
Key 1
Input 5
CK Auto Hue
KRange 170 K Fgnd
Hi-Light 0% Lo-Light
Left 0% Right
Top 0% Bot
Input4 Input3
32
Input2 Input1
Input2 Input1
120 Luma
15% K Bgnd
0% Bg-Supp
0%
0%
Input2 Input1
Black
Black
100%
67%
On
Black