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Chapter 5 Command Reference
Operating Status
Operating and Programming Guide 5-49
Monitoring Status/Alarm Conditions ___________
(continued)
Figure 5-1. 59551A/58503B Status Reporting System Diagram
Binary Weights
0
Powerup
First Satellite Tracked
1
Oscillator Oven Warm
2
Date & Time Valid
0
Holdover
Holding
1
Waiting to Recover
2
Recovering
3
Exceeding Threshold
0
Hardware
Selftest Failure
1
+15V Supply Exceeds Tolerance
2
3
-15V Supply Exceeds Tolerance
+5V Supply Exceeds Tolerance
4
Oven Supply Exceeds Tolerance
not used
6
EFC Voltage Near Full-Scale
7
EFC Voltage Full-Scale
8
GPS Failure
9
TI Measurement Failed
10
11
EEPROM Write Failed
GPS 1 PPS Failure
12
Internal Reference Failure
0
Questionable
Time Reset
1
User-reported
Command Error
2
Query Error
3
Hardware/Firmware Error
Semantic Error
4
Syntactic Error
Power Cycled
5
7
Operation
2
3
Position Hold
1 PPS Reference Valid
4
5
Locked
Log Almost Full
1
0
6
Alarm
3
Master Summary
6
"OR"
"OR"
"OR"
"OR"
not used
not used
not used
not used
7
5
1
2
4
8
16
32
64
128
0
1
2
3
4
5
6
7
"OR"
"OR"
not used
not used
not used
"OR"
256
512
1024
2048
4096
8192
16384
32768
8
9
10
11
12
13
14
15
Questionable Summary
Command Error Summary
Operation Summary
Holdover Summary
Hardware Summary
Powerup Summary
Alarm
Default Transition Filter
False-to-true (positive)
transition latches event.
Not applicable
Default Event Enable
Shading identifies
summary bit.
Event enabled to report to
summary bit.
Event disabled
Powerup Summary