HD490 AFD Software
Preset Default
Check this box to enable insertion of the static AFD code listed in the
Preset Default AFD code field. The preset code has the lowest priority
and will be inserted when all other sources of data are either disabled
or not active.
3.2.2
Output Setup
VANC Packet
Check this box to enable insertion of AFD VANC packets on the output
video.
If this box is not checked, no VANC data will appear.
VANC Line
This field sets the line number that the VANC data will be inserted onto.
XDS Packet
Check this box to enable insertion of XDS packets containing AFD codes
on the output video. These will appear on Line 21 of an SD–SDI signal, or
in the 608 compatibility region of the EIA–708 CC packets on an HD-SDI
signal.
Packet ID
This field sets the private packet ID that will be used for both recovery
and insertion of AFD XDS packets. This legal range for this hex value is
D01 to D7F.
3.2.3
Data Continuity
VANC
This field sets the number of frames that the HD490 will continue out-
putting an AFD code from an upstream VANC source if that source stops
sending AFD data. This feature can be used to ensure that AFD data will
be encoded on every frame at the output even if an upstream source
is only encoded on same frames. However, using this feature creates a
switching latency between the time when upstream VANC AFD disap-
pears and time when it is replaced in the output by data from XDS or
the preset.
Copyright © EEG Enterprises, Inc. 2009-2011
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