Adtec digital mediaHUB-HD Pro (version 03.07.19) Manual - Manual (Page 51)

The VBI Tab
The controls on this tab govern video signal components that can be inserted into the Vertical Blanking Interval.
Screenshot (reduced for clarity) :
Controls
Control Function Options
API
Command
Closed
Caption
Closed Captions can be turned off for the current stream/encode or set
to ATSC Mode for EIA-708 closed caption insertion.
This control is available for High Definition only.
Off = 0
ATSC Mode = 1 *.ECMD CLC
[selection]
VANC Line
VANC line refers to the line number for EIA-708-B closed caption
detection in the SMPTE-292M video signal.
This control is available for High Definition only.
text field, #'s 7-32
available *.ECMD LNA
[line]
Splice PIDS
Active if selected, this control allows for the definition and/or modification of the
Splice PID Off = 0
On = 1 *.ECMD RIT
[selection]
Splice PIDS identifies splice packets
user-defined
hexadecimal
*.ECMD SPI
AMOL PIDS Automated Measurement of Lineups; used in capturing viewership data
user-defined
hexadecimal
*.ECMD APQ
VBI Params:
Mode
switches feature off or selects type of service
Off = 0
Eurotext = 1 *.ECMD VBP
[mode]
VBI Params:
Start Line designates first line for Teletext content within the vertical blanking
interval
6 - 22 *.ECMD VBP
VBI Params:
Num Lines
total number of lines of Teletext 1 - 16 *.ECMD VBP
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