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Using Keys to Compose Video
Chapter 4 Basic Operations
1
In the KEY DELEGATION block (when using the
BKDF-901) or in the key/AUX bus control block
(when using the BKDF-902), press the button for the
key that you want to set up, lighting it.
2
In the KEYER block, press the EXT button or the
SELF button.
When the External Key menu or Self Key menu
appears, rotate the F1 knob to select the signal to use
in the chroma key.
3
In the KEYER block, press the CK button.
The key type is changed to chroma key.
4
In the joystick block, press the AUTO CK button.
The switcher enters auto chroma key mode, and the
CK Auto menu appears in the display panel. At the
same time, a cross cursor appears in the preview or
program output video.
You can reselect the signal to use in the chroma key by
rotating the F1 knob.
5
Using the joystick, move the cross cursor to the color
that you want to cut out (keying color).
Instead of using the joystick, you can also use the F2
and F3 knobs to adjust.
6
Press the AUTO CK button.
An auto chroma key is created.
To adjust an auto chroma key
After creating an auto chroma key as explained above, use
the following procedure to adjust it.
1
In the KEY DELEGATION block (when using the
BKDF-901) or in the key/AUX bus control block
(when using the BKDF-902), press the button that you
used to create the auto chroma key, lighting it.
Tip
BKDF-901
BKDF-902
BKDF-901
Tip
Move the cursor up
Move to
left
Move to
right
Move down
Cross cursor
BKDF-902
BKDF-901
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