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IRD-2600 / IRD-2800
Integrated Receiver Decoders
P/N 2349-72784-00
Page 4-5
4.4.3.
BIT Stream Warning Messages
The BIT Stream Warning messages are displayed on the IRD Main Status display.
Figure 4-3 shows the structure of the message and Table 4-4 lists the messages and
provides information about the detected failure types and possible reasons for the failure. It
also advise the corrective action required.
Figure 4-3:
BIT Stream Warning Message Example
BIT Stream Warning
Signal Not Recived
Top Line
Bottom Line
The top line displays the BIT Stream Warning Message
The bottom line displays the problem type.
Table 4-4:
Bit Stream Warning
PROBLEM
TYPE
POSSIBLE REASON
CORRECTIVE ACTION
RECEIVER
Signal Not Received
Warning
Input Signal Problem
Set to correct parameters
Demodulator Not Sync
Warning
Input Signal Problem
Set to correct parameters
Viterbi Not Sync
Warning
Input Signal Problem
Set to correct Parameters
Deinterleaver Not
Sync
Warning
Input Signal Problem
Set to correct Parameters
Front End Not Locked
Warning
Input Signal Problem
G703 Lock problem
Set to correct Parameters,
or repair in Scopus
Network Technologies
DECODER
No Sync (0x47)
Detected
Warning
Bit Stream Problem
Decoder Problem
Set to correct Parameters,
or call Scopus
Professional Service.