Key Source; Fill Source - Datavideo HS-3200 Instruction Manual

If P-in-P is selected, adjust its parameters in the P-in-P sub menu.
For example, if the user selects Key 1  Chroma  P-in-P, you will then be able to apply
the chroma key effect to the P-in-P window by configuring the respective chroma keyer
parameters in the Chroma sub menu.
In the example below, after Keyer 1 is configured, by pressing the Key 1 button on the
switcher's control panel, the user will thus be able to enable the P-in-P window on the
respective display monitor with the chroma key effect applied.
Keyer
Keyer Ctrl

Key Source

Key Source
This option allows the user to assign the key source; 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
 Flex Src: Selected Flex source
 Still 1/2: Still picture loaded to Still 1/2 buttons
 Input 12: Image source loaded to input button 12
 Input 11: Image source loaded to input button 11
 Input 10: Image source loaded to input button 10
 Input 9: Image source loaded to input button 9
 Input 8: Image source loaded to input button 8
 Input 7: Image source loaded to input button 7
 Input 6: Image source loaded to input button 6
 Input 5: Image source loaded to input button 5
 Input 4: Image source loaded to input button 4
 Input 3: Image source loaded to input button 3
 Input 2: Image source loaded to input button 2
 Input 1: Image source loaded to input button 1
 Black: Black Screen

Fill Source

This sub-option allows the user to assign the fill source; 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
Keyer Key 1
Chroma
Lift
Input 1
Mask Left
Top
(Flex Src
Self
0% Gain 1.0 Invert
Fill Black
0% Right 0%
0% Bot 0%
option menu)
44
Opac 100%
Off