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Preventive Maintenance and Fault-finding
Reference Guide: TT128x High Definition Professional Receiver/Decoder Page 7-5
ST.RE.E10141.5
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7.4 Fault-finding
7.4.1 General
The information contained in this chapter is intended to isolate the unit as
the faulty equipment if a system failure occurs. If the following information
fails to clear the abnormal condition, please contact Customer Services
using the information given in the Preliminary Pages of this manual.
7.4.2 System Defaults
The system defaults can be restored at any time using the Restore System
Defaults option (Menu 7.1.4).
7.4.3 Preliminary Investigations
1. Ensure all leads and connectors are in place and serviceable.
2. Ensure the unit is powered. If not investigate the power source.
Check the fuse.
3. Ensure the red alarm LED on the front of the unit is not lit. If it is,
investigate the Alarm status (see Chapter 5, Alarms).
4. Use the BER display to ensure that the Post Viterbi BER is less than
2.0 E-4. If it is not, check the input to the Receiver.
7.4.4 Ethernet Remote Control
The IRD remote control input operates with SNMP Ethernet format.
CAUTION…
Be sure to set the correct format and address via the front panel before attempting to use this control
method. The IRD will ignore any remote control commands if the input is not correctly set.