User's Manual

15
4.6 Chroma Key
Turn on the Chroma Key, a color from the key source will be removed, revealing another background
image behind it. Chroma Key is usually used for virtual studio, such as weather broadcasts, where the
meteorologist appears to be standing in front of a large map. In the studio the presenter is standing in
front of a blue or green background.
1) Switching a video with blue or green background to PVW window, and turn on the Chroma Key. Then
go to the Key menu to configure the value of Chroma Key. Using CUT, AUTO, or T-Bar to switch the
image to overlay in the PGM window.
2) When you press Chroma Key button, indicator turns on and menu go to the key setting interface as
below image. The KEY background can be switch between Green and Blue. The color gamut of the
Chroma Key can be set from the menu by the knob.
Main Menu
Secondary Menu
Option
Default
CHROMA KEY
KEY
ChromaKey
ChromaKey
Background
Blue/Green
Blue
Level
0-64
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Exit
4.7 Luma Key