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7700 MultiFrame Manual
7711HDC HD Broadcast Quality Down Converter
6.7.
CONFIGURING THE VERTICAL INTERVAL PROCESSING
(MODEL 7711HDC-SN-EAES4 ONLY)
The VANC Data Processing menus are used to configure how vertical interval signals such as closed
captions and vertical interval time code (VITC) are processed. The chart below shows the items available
in the VANC Data Processing menu. Sections 6.7.1 to 6.10.1 give detailed information about each of the
menu items.
Captions
RP188 Reader
VITC Generator
VITC User Bits
525 VITC Line
625 VITC Line
6.7.1. Displaying Closed Captions on the Program Video Outputs
VANC Data Processing
Captions
Off
On
6.7.2. Putting VITC on the Program Video Outputs
VANC Data Processing
VITC Generator
Off
On
7711HDC - 26
Controls whether closed captions will be displayed on the program video
outputs.
Controls whether RP188 Ancillary Time Code reader will read LTC or VITC.
Controls whether Vertical Interval Time Code (VITC) will be displayed on the
program video outputs.
Controls whether the VITC user bits will contain the original time or user
bits.
Sets VITC insertion line on 525 line video outputs.
Sets VITC insertion line on 625 line video outputs.
This control determines whether closed captions will be encoded on line 21
according to EIA 608B on the program SDI and broadcast analog outputs.
The encoding of captions on the monitor analog output is set by the Mon
Caption Decoder menu item on the Monitor Analog Output menu.
Set the control to Off to disable closed caption encoding.
Set the control to On to encode closed captions that have been extracted
from SMPTE 334M VANC data on the incoming HD video.
This control determines whether vertical interval time code (VITC) will be
inserted on the program SDI and broadcast analog outputs. 525 VITC Line
and 625 VITC Line menu items set the insertion line for the VITC. The time
bits will be converted from the RP188 ancillary time code on the HD Video
input. The User bits can be set to the original time or user bits by the VITC
User Bits menu item.
Revision 1.1
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