Ross Opengear UDC-8625A Series, User Manual, Page: 132 / 174

9–28 • Appendix A. DashBoard Menus UDC-8625A Series User Manual (Iss. 11)
Key Setup Menus
Table 9.21 summarizes the Key Setup tab options available for Key 2 in DashBoard.
Table 9.21 Key Setup Menu Items
Menu Title Item Parameters Description
Key 2
Clip
4 to 1019
a
a. The default value is 940.
Adjusts the luminance level of the key. The lower
the threshold setting, the more the Key is visible.
Gain
0 to 100
b
b. The default value is 50.
Adjusts the softness of the edges of the key
Clip & Gain Make Linear Resets the clip and gain to the default values
Key Invert
Selected The polarity of the Key Alpha is inverted
Cleared* The Key Alpha is not inverted
Key Type
Auto Select*
A Key which two video signals (Alpha and Fill)
are used
Self
A Key that uses the luminance values of the key
source for the alpha
Key Alpha Type
Unshaped
The card performs a multiplicative key. The Key
Alpha mixes the Key Video with the BKGD.
Shaped*
The card performs an additive key. The Key Alpha
cuts a hole in the BKGD and the Key Video is
added to the BKGD.
Transparency
0 to 100
c
c. The default value is 0.
Adjusts the transparency level of the key.
• A value of 0% sets the key to completely opaque.
At this value, there is no difference between the
original key and the key with the transparency
effect applied to it.
• A value of 100% sets the key to completely
transparent. At this value, the key is not visible
on the screen.
Box Mask
d
d. The values of the Box Mask parameters are set in number of lines and pixels, and are therefore dependent on the video format you
are using.
Off
Disables this feature; a box mask is not applied to
the key
On
Applies the mask to the key (only the portion
inside the box is displayed)
Inverted
Reverses the mask. The portion of the image that
was masked is now visible and the portion that was
visible is now masked.
Mask Top Edge
0 to #
e
e. The range of values is dependent on the video format.
Adjusts the location of the top edge of the mask
Mask Bottom Edge
0 to #
e
Adjusts the location of the bottom edge of the
mask
Mask Left Edge
0 to #
e
Adjusts the location of the left edge of the mask
Mask Right Edge
0 to #
e
Adjusts the location of the right edge of the mask