Arbiter Systems 1201B, Operation Manuals

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30 Startup and Operation
alarm, the clock will adopt protective measures to guard its integrity until the interference is no
longer detected. Further definition of the faults and alarms are defined in Table 6.1, and may be
declared on the front panel and from the web interface. See details in Section 6.6.4 for fault display
indications.
Faults Alarms
TBP communications fault Position change
8 MHz fault 1024 week error
Holdover/GNSS fault Time jump
Watch dog timer fault Bogus SV info
Brownout fault –
Table 6.1: List of Faults and Alarms
6.3 Time/Date Key Displays
6.3.1 Time and Date Display, UTC
Displays UTC, in the Time and Date format, as maintained by the United States Naval Observatory
(USNO), as described below:
UTC 12:34:56
SAT 3 MAY 2014
NOTE: Daylight saving and local offset have no effect on this display.
6.3.2 Time of Year Display, UTC
Displays UTC, in Time of Year format, which differs from the previous format by replacing the
date with the day of year.
UTC 12:34:56
SAT DAY 123 2014
NOTE: Daylight saving and local offset have no effect on this display.
6.3.3 Time and Date Display, Local Time
This mode displays the time and date after the daylight saving time correction and local offset have
been applied, but in the same format as that of the Date and Time, UTC.
LOCAL 05:34:56
SUN 3 MAY 2014
6.3.4 Time of Year Display, Local Time
This mode displays the time of year after the daylight saving time correction and local offset have
been applied, but in the same format as that of the Time of Year, UTC.