7800 Multiframe Manual
7825DSK2-LG(-HD)(-3G) 3G/HD/SD Dual Downstream Keyer
RCP OPERATION
Revision 2.0
Page 5-23
5.8.1.
Turning the Matte On and Off
MATTE
This menu item is used to turn the matte on and off.
Select
enabled
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
disabled
to turn off the black matte overlay.
Matte On/Off
Matte: Enable
Matte: Disable
5.8.2.
Setting the Matte Aspect Ratio
MATTE
This menu item is used to set the aspect ratio of the matte.
There are three pre-defined aspect ratios available. When you select one
of these aspect ratios the 7825DSK2-LG(-HD)(-3G) will automatically set
the
Matte Top
and
Matte Bottom
menu items.
In addition you can set a user defined aspect ratio by manually changing
the
Matte Top
and
Matte Bottom
menu items. (See section 5.8.3.)
*Please note that aspect 1.33 is only available when the unit is in SD
video mode.
Aspect (user)
aspect: 1.33 *
aspect: 1.77
aspect: 1.85
aspect: 2.35
aspect: user
5.8.3.
Setting a User Defined Matte Aspect Ratio
There are two menu items that allow the user to define custom aspect ratios for the matte. Selecting a
pre-defined aspect ratio will lose any changes you have made to the
Matte Top
and
Matte Bottom
menu items unless they are stored using the user presets (see section 5.11). When you manually
change the
Matte Top
and
Matte Bottom
settings the
Matte Aspect
will show the aspect ratio as
(user).
MATTE
This menu item is used to set the bottom line of the
Top
matte.
Use the
or
buttons to change the line number to the desired value.
Either field 1 or field 2 lines can be used.
Top
Top: x
MATTE
This menu item is used to set the top line of the
Bottom
matte.
Use the
or
buttons to change the line number to the desired value.
Either field 1 or field 2 lines can be used.
Bottom
Bottom: x