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I-30
Composing Images with Keys
Chapter 3 Basic Operations
Selecting the key fill and key source
separately
Perform the following between step 7 and 8 of the
previous procedure.
1 Turn the V1 knob to select [Key Fill/Src Select], and
turn the V3 knob to select [Split].
2 Press the PST/KEY cross-point button to be used for
the key source while holding down the KEY bus
delegation button.
Composing Images with Chroma Keys
This section describes how to perform “auto chroma key”
where you specify a portion of the foreground video (e.g.,
a blue background color) and use it as a reference signal
for creating the chroma key image through automatic
adjustment.
You can also adjust chroma keys manually (manual chroma key).
For details, see “Making Detailed Adjustments to the Chroma Key”
(c Advanced Settings).
1
Press the KEY bus delegation button.
2
Press the PGM cross-point button of the video for
program output.
3
Press the PST/KEY cross-point button of the key
material (i.e., the image to be superimposed on the
program video output).
4
Press the KEY next transition selection button.
The selected image in its “key on” state is used for
PVW output.
5
Press the MIX button or EFF button.
0001
Rate
30
SS
Mon
PGM
Key
4/27
Select Source
Fill
Spl it
Bus
Key Transition
Key Type Select
Resizer
Key Fill/Src Select
Knob Parameter Meaning Setting values
V3 Source Key source
selection mode
Self, Auto, Split
2
3
7 - 11 6
12
45
1