Videonics MXPro User Manual page 112

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Chapter 10
Cancelling the Selections If you need to start over, you can cancel all of the chroma key selections made thus far
5
Press CHROMA KEY to activate the effect. The Preview screen displays a full-
screen picture of the Keyed footage from source C. A cursor (a small flashing cir-
cle) appears atop the image.
Once you activate Chroma Key it stays in effect until you specifically deactivate it
(which you'll learn to do later in this procedure). To change the selected color or
colors for the Chroma Key, press SHIFT+CHROMA KEY . This instructs MXPro to
discard the current set of colors so you can specify different ones.
6 Use the JOYSTICK or ARROW keys to move the cursor so that it is directly over
the area that contains the color to key out — that is, to specify the area in which
the other video source is going to play.
7
Press OK . Those areas in the picture that match the color under the cursor get
replaced by the background source.
a If you need to include other colors in the keyed-out area, repeat the two pre-
ceding steps. You can repeat the steps as many times as necessary to key-out
the entire background.
b
To remove the last keyed color change, enter SHIFT+0 (zero).
c
To fine-tune the keyed color, use SHIFT+ARROW KEY .
If you aren't able to successfully isolate the background from the subject, you might
have to re-shoot the scene using a background of a different color — or, you might just
need to change the lighting to eliminate glare and shadows.
by pressing SHIFT+CHROMA KEY , as explained above.
Videonics MX-Pro User Guide
Chroma Key Cursor