TANDBERG TT-1222, Reference Manual

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Alarm Categories and Conditions
Reference Guide: TT1222 4:2:0 Professional Receiver Page D-5
ST.RE.TT1222.2
Alarm Category Contents
PTS
starvation Cannot obtain LipSync
according to PCR/PTS due
to compressed bit buffer
underflow. A
PTS overflow Cannot obtain LipSync
according to PCR/PTS due
to compressed bit buffer
overflow. A
PTS resync Audio artefacts due to
presentation adjustments. W
Audio not
used Audio component not
signalled in service W
D.3.3 VBI Output Alarms
The VBI output alarms relate to errors occurring in the decoding and
embedding of VBI information into the outgoing video.
Table D.5: VBI Alarm Categories and Conditions
Alarm Category Contents
Alarm Description Remedy Default
TTX data Err Error in Teletext data. Improve signal
quality. W
TTX overflw. Teletext buffer overflow. The Decoder cannot
handle the rate of
incoming Teletext
data. A
TTX no data No Teletext data available Make sure Teletext
subtitling is sent, or
ignore. A
EBU Subt no
data No EBU subtitling data
available Make sure Ebu
subtitling is sent, or
ignore. W
WSS no data No WSS data available. Make sure WSS is
sent, or ignore. A
VPS data err Error in VPS data Improve signal
quality. W
VPS no data No VPS data available Make sure VPS is
sent, or ignore. A
CC no data No CC data available Make sure CC is
sent, or ignore. W
CC data err Error in CC data Improve signal
quality, verify CC
format setting. W
VBI output:
Userdata err Error in user data Improve signal
quality, verify user
data format W