OPERATORS MANUAL
TT1200 MPEG2-DVB PROFESSIONAL DECODER
PAGE 53
TANDBERG TELEVISION ASA, Philip Pedersensvei 20, PO Box 322, N-1324 Lysaker, Norway
Tel: +47 67 11 62 00, Fax: +47 67 11 62 01
5.5.5.3 VBI Status menu
This menu displays the status for the VBI signalling functions. The possible values for each component
are:
7HOHWH[W
RQO\OQ
off
not sent
active
overflow
Teletext is switched off in the
Vid. Setup 625-ln
menu
Teletext is switched on, but there is no teletext in the transport stream
Teletext is switched on, and is present in the transport stream
Teletext is switched on, but some lines are suppressed by higher
priority VBI-data on the same line (e.g testlines).
936
RQO\OQ
off
not present
active
overridden
VPS is switched off in the
Vid. Setup 625-ln
menu
VPS is switched on, but is not present in the transport stream
VPS is switched on, and is present in the transport stream
VPS is switched on and present in the transport stream, but is
suppressed by higher priority VBI-data on the same line (line 16) .
:66
RQO\OQ
off
active
MPEG-
video
WSS is switched off in the
Vid. Setup 625-ln
menu
WSS is present in the transport stream, and is transcoded into the PAL
signal.
WSS is included in the video stream and trancoded transparently as
video in line 23.
6LQ[[
RQO\OQ
On
Off
As selected in the
Vid. Setup 625-ln
menu (see chapter 5.4.5.2.1).
7HVWOLQHV
OQ
17/18
19/20
off
As selected in the
Vid. Setup 625-ln
menu (see chapter 5.4.5.2.1).
Exception: If
17,18
is selected, but is suppressed by higher priority
VBI-data on line 18 (VITC), only
17
will be displayed.
7HVWOLQHV
OQ
on
off
As selected in the
Vid. Setup 525-ln
menu (see chapter 5.4.5.2.1)
If set to Off, black-level video is sent on line 17.
'LGRQOLQH
On:
Off:
Didon line is active
Didon line not selected in the Output setup menu.
*&5
RQO\OQ
on
off
As selected in the
Vid. Setup 525-ln
menu (see chapter 5.4.5.2.1)
If set to Off, black-level video is sent on line 19.
Note: “
RQO\OQ
” means that this status line is only visible if 625 lines video is active on the
video output. The same applies for “
RQO\OQ
”.
5.5.5.4 PTS Information menu
Here the current status of the utilization of video and audio buffers is displayed, along with the 27MHz
offset. The status parameters are explained in the table below.
9B376XVH
The video buffer filling, measured in percent.
9B376(UUPV
The difference, in terms of milliseconds, to the respective video
PTS (Presentation Time Stamp). Positive values means that the
video is presented too late.
$B376XVH
The audio buffer filling, measured in percent.
$B376(UUPV
The difference, in terms of milliseconds, to the respective audio
PTS (Presentation Time Stamp). Positive values means that the
audio is presented too late.