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Basic Chroma Key Operations
This section describes chroma key operations with the BKDS-2031 board
only installed. Note that the operation is slightly different in D1 and D2
systems.
Preparations
Dedicated chroma key inputs and settings
• In a D2 system, since one of four key analog component signals (the signals
input to the CRK INPUTS connectors on the rear panel of the processor) is
used as the foreground video, inputs and settings for these signals are
required.
The chroma key dedicated inputs requires the BKDS-7133 board. One
Option
board provides for two inputs.
• In a D1 system, since you can select the signal for the foreground on the key
bus, a dedicated chroma key input is not essential.
Signal allocation and selection
In order to display the signals for chroma keying (the foreground signal for
chroma keying or the chroma key signal) on a monitor, it is first necessary to
allocate them to cross-point buttons on the control panel.
You carry out this allocation in a setup menu (see page 13-54).
Chapter 5 Chroma Keying
5-3
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