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7700 MultiFrame Manual
7710XUC-HD HD Format Up/Down/Cross Converter
6.10.2. Setting the HD Write Line
Closed Captioning
HD Write Line
9
7 to 24
When setting the HD Write Line, be aware of the Start of Active Video Line in 1080i and
720p.
If HD VANC captions are inserted past Start of Active Video, most HD
devices will drop the HD captions.
6.10.3. Setting the Caption Services in EIA708
There are eight controls that will map closed caption and text channels into EIA708 caption services. For
the sake of brevity, only the selection control for the main card will be included in this manual.
Closed Captioning
CC1 to 708
Service
1 to 16
1
6.11. CONFIGURING THE ANALOG VIDEO OUTPUT PARAMETERS
The 7710XUC series provides a broadcast composite analog standard-definition video output in addition
to the standard serial digital output. The Composite Output menus are used to configure parameters
associated with the composite analog video output. The chart below shows the items available in the
Composite Output menu.
parameters.
Note: The 7710XUC-HD does not support composite analog SD video outputs.
The 7710XUC series will broadcast composite analog only if the module is down-
converting an HD signal or if the input video is SD. If the module is performing an HD
cross-conversion, a colour bars test pattern will be output on the composite analog.
7710XUC-HD
-42
This parameter will set the HD line where the HD VANC captions are inserted
on the output HD video as per SMPTE 334M.
This parameter will map CC1 into an EIA708 Caption Service. Currently, the
modules only support 16 services (1 to 16).
When set to off, the CC1 is not mapped to any EIA708 Caption Service.
Sections 6.11.1 to 6.11.10 give detailed information about each of the
Revision 1.0
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