7800 Multiframe Manual
7825DSK2-LG(-HD)(-3G) 3G/HD/SD Dual Downstream Keyer
Page 4-14
Revision 2.0
VLPRO OPERATION
4.7.1.
Matte Parameters
4.7.1.1.
Setting the Matte Enable Function
This option is used to turn the matte on and off.
Select
True
to turn on the black matte overlay. This matte is on the top layer of the keyer and will
overwrite all the video on the respective lines of the active picture. The matte does not blank the lines
in the vertical interval.
Select
False
to turn off the black matte overlay.
4.7.2.
Setting a User Defined Matte Aspect Ratio
There are two options that allow the user to define custom aspect ratios for the matte. Selecting a pre-
defined aspect ratios will lose any changes you have made to the
Matte Top
and
Matte Bottom
options
unless they are stored using the user presets (see section 4.12). When you manually change the
Matte Top
and
Matte Bottom
settings the
Matte Aspect
will show the aspect ratio as
(user).
4.7.2.1.
Setting the Matte Top
The Matte Top parameter is used to set the bottom line of the
Top
matte.
4.7.2.2.
Setting the Matte Bottom
The Matte Top parameter is used to set the top line of the
Bottom
matte.
