Alarm Categories and Conditions
Page D-4
Instruction Manual: Professional Receivers and Decoders (IRD)
ST.TM.TT1220.1
D.3
Output Stage Alarms
D.3.1
Video Output Alarms
The video output alarms relate to errors occurring in the video stream
decoder.
Table D.3: Video Alarm Categories and Conditions
Alarm Category
Contents
Alarm
Description
Remedy
Default
No stream
input
No stream is detected in the
current TS.
Check input source.
A
Error in
stream
There is an error in the video
stream.
Verify correct CA
system and smart
card.
A
Video resync
There has been a transition
from “no frame sync” to
“frame sync OK”.
A
Video output:
Video not
used
No video component exist for
the currently selected
service.
W
D.3.2
Audio Output Alarms
The audio output alarms relate to errors occurring in either the basic or
extended audio decoders.
Table D.4: Audio Alarm Categories and Conditions
Alarm Category
Contents
Alarm
Description
Remedy
Default
No stream
input
No stream is detected in the
current TS.
Check input source.
A
Unknown
format
The incoming stream is
impossible to decode.
A
PES resync
There has been a transition
from “no PES Sync” to “PES
Sync OK”.
W
Frame resync
There has been a transition
from “no frame sync” to
“frame sync OK”.
W
Same PID
Attempt to set the same PID
in one of the additional
channels as in the main
channel OR attempt to set
the same PID in the main
channel as in one of the
additional channels.
Same PID in both
additional channels
is allowed. Same
PID cannot be
selected for the
base and extended
audio at the same
time.
A
Audio output:
FW restart
Audio artefacts due to
hardware re-initialisation.
A
