MDS 05-3316A01, Rev. E MDS 4710B/9710B I/O Guide 33
Invisible place holder
Figure 13. HHT display in response to STAT command
If an alarm does exist, a two-digit event code (00–31) is displayed and
the event is identified as a Major or Minor Alarm. A brief description of
the event is also given.
If more than one event exists, the word
MORE appears at the bottom of
the screen. To view additional events, press .
Major Alarms vs. Minor Alarms
Major Alarms—report serious conditions that generally indicate a hard-
ware failure, or other abnormal condition that will prevent (or seriously
hamper) further operation of the transceiver. Major alarms generally
indicate the need for factory repair. Contact MDS for further assistance.
Minor Alarms—report conditions that, under most circumstances will
not prevent transceiver operation. This includes out-of-tolerance condi-
tions, baud rate mismatches, etc. The cause of these alarms should be
investigated and corrected to prevent system failure.
Event Code Definitions
Table 11 contains a listing of all event codes that may be reported by the
transceiver.
ENTER
Table 11. Event codes
Event
Code
Alarm
Type Description
01 Major Improper software detected for this radio model.
02 Major The model number of the transceiver is unprogrammed.
03 Major Authorization fault. Contact MDS.
04 Major One or both of the internal programmable synthesizer loops is
reporting an out-of-lock condition.
07 Major One or more of the radio’s internal voltage regulators is reporting
a failure. The radio will not operate.
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