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Chapter 5 Command Reference
Operating Status
Operating and Programming Guide 5-51
Monitoring Status/Alarm Conditions ___________
(continued)
Hardware Status
This Operation subgroup comprises operating status that indicates the health
of the Receiver hardware.
One or more of the condition changes from this group are summarized in the
Operation Status group.
• The Selftest Failure condition (bit 0) indicates whether a failure was
detected during the powerup or last user-initiated self-test.
• The following conditions reflect the status of specific hardware that is
continuously monitored by the Receiver:
• The EEPROM Write Failed event (bit 11) indicates that an attempt to
write to the non-volatile memory failed.
+15V Supply Exceeds Tolerance condition
(bit 1)
−15V Supply Exceeds Tolerance condition
(bit 2)
+5V Supply Exceeds Tolerance condition
(bit 3)
Oven Supply Exceeds Tolerance condition
(bit 4)
EFC Voltage Near Full-Scale condition
(bit 6)
EFC Voltage Full-Scale condition
(bit 7)
GPS 1 PPS Failure condition
(bit 8)
GPS Failure condition
(bit 9)
Time Interval Measurement Failed event
(bit 10)
Internal Reference Failure condition
(bit 12)