User Interfaces SFC6400A/SFC1450A Synthesized Frequency Upconverter
4-10 TM106 – Rev. 1.1
EVENT BUFF The Event Buffer stores any faults that occur, including
start up procedures, along with a time/date stamp.
PRESS CLR TO
ERASE EVENTS: Pressing the <CLEAR> when this screen is displayed will
erase all of the events currently stored in the Event Buffer.
4.2.5 Alarms Menu Options and Parameters
For the alarms listed below, the PASS/FAIL displayed is only an indicator and cannot be changed
by the user. The MASK/UNMASKED Field, however, does allow user input. Masking an alarm will
cause it to be ignored by the unit if that alarm fails. The LCD will display FAIL, but the unit will
otherwise not respond to the Fault. This function can aid in troubleshooting system problems.
ACTIVE ALRMS:
MAJOR:
LO FAULT: {PASS, FAIL/UNMASKED, MASKED}
Reports an alarm when the Synthesizer Module indicates
an unlocked condition.
SIGNAL FAULT: {PASS, FAIL/UNMASKED, MASKED}
Reports a failure when there is an IF Detect Fault.
BACKUP FAULT: {PASS, FAIL/UNMASKED, MASKED}
backup converter only. Indicates that a Backup process
has failed.
NO BACKUP: {PASS, FAIL/UNMASKED, MASKED}
backup converter only. Indicates that a Faulted Prime
could not be backed up.
POLLING FAULT: {PASS, FAIL/UNMASKED, MASKED}
backup converter only. Indicates that an interconverter
communication failure has occurred.
RELAY FAULT: {PASS, FAIL/UNMASKED, MASKED}
backup converter only. Indicates that the RF Relay used
to switch in the backup is not in its expected state.
MINOR:
LEARNED FAULT: {PASS, FAIL/UNMASKED, MASKED}
backup converter only. Indicates that the Backup could
not learn the settings of one or more Prime Converters.
The SW Fault will flash at one-second intervals to flag this
fault to the user.
BKP TEST FAULT: {PASS, FAIL/UNMASKED, MASKED}
backup converter only. Indicates that the Backup has
determined, by use of the Backup Test, that it will not be
able to backup one or more Prime Converters. The
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