7800/7700 MultiFrame Manual
7812UDXD Series 3G/HD Up/Down/Cross Converter with Simultaneous Dual Format Outputs and AES I/O
Page - 54
Revision 1.1.1
NOTE: When the module is configured to operate with AFD, (AFD Input Enable is set to
Enable and AFD is present on the input video signal) this control will have no effect.
As each of the above settings is selected, a pictorial representation of the selected conversion is shown to
the immediate right of the drop down menu as shown in Figure 6-13.
Figure 6-13: Aspect Ratio Conversion
6.12.5.2. User Aspect Ratio Setting
There are four registers for each input video standard that set the portion of the input picture that will be
converted. These register settings do not have any effect when the pre-defined aspect ratios are used.
Input H Start/ Input H Stop:
The
Input H Start
and
Input H Stop
define the horizontal portion of the
input image to process to the output raster.
Input V Start/ Input V Stop:
The
Input V Start
and
Input V Stop
define the vertical portion of the input
image to process to the output raster.
There are four registers for each output video standard that define the size of the output image and how
to place the resulting image on the output video raster.
