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01-0868-401B 12/02
Tiernan VBI Data Transmission
Remote Commands For Decoder Configuration
The following front panel and remote commands are used to configure the
decoder for VBI teletext.
Remote Command
Mnemonic
Parameter Range
Factory DVB
Default
Description
VBI
—
—
When VBI is entered, the TDR60 returns the following information:
■
PID:
PID #
■
Mode:
<on or off>
■
lines:
<active lines>
■
VBI format control:
<auto or manual>
■
VBI format:
<detected format>
■
ATSCCC detected:
<yes or no>
■
TiernanCC detected:
<yes or no>
■
Detected VBI Format:
<type of expanded windows detected>
Front panel equivalent: none
VBI CONTROL
auto, manual
manual
Setting determines if the TDR60 will automatically detect, decode, and include the
VBI data in the output stream, or if the user will manually set all parameters.
■
Auto – the TDR60 automatically determines the type of incoming VBI data,
decodes it and includes it in the output stream
■
Manual – enables you to manually set the VBI format to be decoded and
included in the video output stream.
Note
: for ATSCCC VBI to be included in the output stream, this setting must be
set to manual.
Note
: To ensure proper display of teletext, VBI CONTROL must be set to Manual,
VBI FORMAT must be set to Off, and VBI TELETEXT MODE must be set to On.
Front panel equivalent: VBI>Format>VBI Fmt Cntrl
VBI FORMAT
off, ATSCCC,
TIERNANCC, lines16,
lines32
off
When VBI Control is set to Auto, this parameter is query-only; the TDR60
automatically detects and processes the incoming VBI data.
When VBI Control is set to Manual, this parameter is used to set the type of VBI
format to be decoded and included in the video output stream.
■
Off – no VBI information will be included in the video output stream
Note
: VBI Control must be set to manual for this parameter to be set to off.
Note
: To ensure proper display of teletext, VBI Format must be set to Off.
■
ATSCCC – sets the VBI format to ATSC closed captions;
Note
: For proper decoding of ATSCCC, VBI Control must be set to Manual.
■
TiernanCC – sets the VBI format to Tiernan proprietary closed captions
■
Lines16 – sets the VBI format to expanded windows, 16 lines
■
Lines32 – sets the VBI format to expanded windows, 32 lines
Note
: To ensure proper display of close captions, VBI Teletext Mode must be set
to Off. If closed captions are not visible, and they are included in the output
stream, ensure that VBI Teletext Mode is set to Off.
Front panel equivalent: VBI>Format>VBI Format
VBI TELETEXT
LINES
—
—
Query-only; displays a list of the teletext lines detected in the selected service or
the message no active lines when teletext is not present.
Available only when VD MODE is set to PAL.
Front panel equivalent: VBI>Teletext>Active Line
VBI TELETEXT
MODE
On, Off
Off
Providing that teletext data is available in the selected service, this function allows
you to determine whether teletext data will be included in the output stream.
■
On – data will be included
■
Off – data will not be included
Teletext is only available only when VD MODE is set to PAL.
Note
: To ensure proper display of teletext, VBI CONTROL must be set to Manual,
VBI FORMAT must be set to Off, and VBI TELETEXT MODE must be set to On.
Front panel equivalent: VBI>Teletext>Mode
VBI TELETEXT PID
<available PIDs> or
Off
—
Selects the teletext data PID from the selected service.
To query available PIDS, enter the command VBI TELETEXT PID ?
Available only when VD MODE is set to PAL.
Front panel equivalent: VBI>Teletext>PID
VBI TELETEXT
STANDARD
DVB, Proprietary
DVB
Sets the inversion or non-inversion of teletext data.
■
DVB – sets DVB teletext standard
■
Proprietary — sets proprietary teletext standard
Available only when VD MODE is set to PAL.
Front panel equivalent: VBI>Teletext>Standard
