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383Key Setting Operations Using Menus
Chapter 4 Keys
a) The setting ranges depend on the signal format, screen aspect ratio, and size settings.
5
Select [Auto Start] in the <Auto> group.
This executes an auto chroma key based on the color specified by the
sample selector, and displays the composite image on the monitor.
Making key active adjustments
When the key active function is on, the composite image is output to the
monitor, and you can watch the monitor while manually adjusting the keying.
When the key active function is off, only the foreground image appears. Set
this off when manually adjusting color cancel (see the next section).
1
In the Chroma Adjust menu, set [Key Active] on.
2
Adjust the following parameters.
Making color cancel adjustments
If the background color is leaking into the foreground video, turning the color
cancel function on allows you to eliminate this leakage.
1
In the Chroma Adjust menu, turn [Key Active] off.
Only the foreground image appears on the monitor.
2
In the <Color Cancel> group, set [Color Cancel] on.
3
Adjust the following parameters.
Knob Parameter Adjustment Setting values
1 Position H Horizontal position
–100.00 to +100.00
a)
2 Position V Vertical position
–100.00 to +100.00
a)
3 Size Size 1.00 to 100.00
Knob Parameter Adjustment Setting values
1 Clip Chroma key reference level 0.00 to 100.00
2 Gain Key gain –100.00 to +100.00
3 Hue Hue 359.99 to 0.00
4 Density Density 0.00 to 100.00
5 Filter Filter coefficient 1 to 9