JVC KM-H3000 User Manual page 44

The Gain effect controls color saturation. Increasing
the Gain causes the video signal colors to become
increasingly saturated and vivid. Decreasing the Gain
decreases the saturation until the image is black and
white.
The Spill effect allows you to handle chroma key spill
where the background color (the color being
removed) spills onto the key object.
To adjust the Edge, Shadow, Gain, and Spill:
1
1. Select the key you wish to modify (ensure it is set
as a Chroma key).
2. Press NEXT until Edge is displayed.
3. Adjust the Edge value by rotating the
corresponding knob until the desired effect is
achieved.
4. Press NEXT.
5. Adjust the Shadow, Gain, SPClip, or SpRjct,
value by rotating the corresponding knob until
the desired effect is achieved.
For More Information on...
• selecting keys, refer to the section "Selecting
Keys" on page 24.
• setting the Chroma Key share mode, refer to the
section "Resource Sharing" on page 16.
Modifying DVE Keys
You can control aspects of DVE keys using the DVE
Key menu. The following effects can be adjusted:
• Screen Position
• Scale
• Aspect Ratio
• Borders
• Cropping
To position a DVE Key on the screen:
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40
3
2
2 3
1. Select the key you wish to modify (ensure it is set
as a DVE key).
2. Use the X Pos knob or the positioner to control
the horizontal location of the key image.
3. Use the Y Pos knob or the positioner to control
the Vertical location of the key image.
To change other DVE Key modifiers:
1. Select the key you wish to modify (ensure it is set
as a DVE key).
2. Press NEXT to cycle through the available
modifiers.
3. Use the corresponding knob to change the
following:
• Size — to scale the image. Larger values
produce a larger image while smaller values
produce a smaller image.
• Aspect — to change the aspect ratio of the
image. Larger values stretch the image
vertically while smaller values stretch the
image horizontally.
• Border Size (Border) — to adjust the size of
the border. A value of 0.0% removes the
border.
• Border Softness (Soft) — to adjust the
softness of the border. If the Border size is set
to 0.0%, the edges of the key image are
softened. Larger values produce a softer
border while smaller values produce harder
edged borders edges.
• Border color (only available if you set the
Border Size greater than 0.0%)
› Use the Load knob to select a preset color.
Press the Load knob to load the color.
› Use the BHue, BSat, and BLum knobs
until the desired color is achieved.
• Horizontal Crop (HCrop) — Press the HCrop
knob to change the horizontal cropping
behavior. You can choose from the following:
› HCrop — Use the HCrop knob to crop the
image from both the left and right sides.
› Left/R — Use the Left/R knob to crop the
image from the left side.
› L/Rght — Use the L/Rght knob to crop the
image from the right side.
• Vertical Crop (VCrop) — Press the VCrop
knob to change the vertical cropping behavior.
You can choose from the following:
› VCrop — Use the VCrop knob to crop the
image from both the top and bottom.
› Top/B — Use the Top/B knob to crop the
image from the top.
› T/Bttm — Use the T/Bttm knob to crop the
image from the bottom.