R T M 3 2 0 5 U s e r M a n u a l
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C H A P T E R T H R E E
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R T M 3 2 0 5 U s e r M a n u a l
C O N T R O L A N D S T A T U S C O M M A N D S
faultstat
This command returns the summary of all system and receiver fault states in a user-friendly format.
An example is shown below. For details on the various faults see
Appendix G - System Faults
.
Command:
faultstat
RTM3205 reply:
System Fault Status:
System Oscillator DAC--------------------------> OK
GPS Signal-------------------------------------> OK
GPS Subsystem FPGA Configuration---------------> OK
GPS Subsytem FLASH Writes----------------------> OK
GPS Receiver Communication---------------------> OK
GPS Reference Time-----------------------------> OK
Subsystem Communication------------------------> OK
GPS Receiver-----------------------------------> *FAULT*
System Oscillator PLL--------------------------> OK
GPS Antenna------------------------------------> *FAULT*
GPS Receiver Fault Status:
GPS Receiver Oscillator DAC--------------------> OK
GPS Signal-------------------------------------> OK
GPS Receiver FPGA Configuration----------------> OK
GPS Receiver FLASH Writes----------------------> OK
Local Oscillator Synthesizer Tuning------------> OK
Local Oscillator Synthesizer-------------------> OK
GPS Reference Time-----------------------------> OK
GPS Receiver Oscillator------------------------> OK
GPS Antenna Short------------------------------> OK
GPS Antenna Open-------------------------------> *FAULT*
GPS Receiver Oscillator PLL--------------------> OK
get_sw_opts
See
Appendix I - Software Options
for information on this command.
gpsdynmode
This command displays the current GPS Subsystem dynamic mode of operation. It has two possible
settings: OFF or ON. When it is OFF, it is assumed that RTM3205 is installed in a stationary loca-
tion. When it is ON, it is assumed that RTM3205 is installed on a moving platform. Dynamic mode
is intended for shipboard applications only.
When the dynamic mode is OFF, RTM3205 will use its accurate reference position to implement
Timing Receiver Autonomous Integrity Monitoring (TRAIM) for the utmost in reliability during any
GPS system faults. In addition, single satellite operation is possible once an initial accurate position
has been determined.
When the dynamic mode is ON, only a very minimal TRAIM algorithm is in effect because the ac-
curate reference position is not static. In addition, a minimum of four satellites must be visible and
only 3-D position fixes are used. When the dynamic mode is ON, the source reported for the accurate
reference position by
gpsrefpos
is set to DYN. Dynamic mode is intended for shipboard applica-
tions only.
Summary of Contents for RTM3205
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