TRAK MODEL 9100 MODULAR FREQUENCY/TIME SYSTEM
3-12
TM4400013
Rev
D
Table 3-1 Request Commands List
COMMAND DESCRIPTION
DEFAULT
X.RQDR
Request oscillator DAC value
N/A
X.RQIR
Request difference between internal 1 PPS and
selected time reference
N/A
X.RQLK
Request 1 PPS reference locked status
N/A
X.RQLN
Request navigation solution
N/A
X.RQLS
Request Leap Second Status
N/A
X.RQST
Request list of satellites being tracked
N/A
X.RQBT
Request GPS Reference module bit status
N/A
X.RQSD
Request Currently Visible Satellite Position and
Tracking Status and Dilution of Precision (DOP)
N/A
RQFS
Request fault status
Off
RQSW
Request software version and compile data
N/A
Table 3-2 Setup Commands List
COMMAND DESCRIPTION
DEFAULT
SCM 1, 2
Set time mode to Time Format 1 or 2
Time Format 1
X.SDC
Set and request user and antenna delay
compensation.
0 ns user delay
65 ns antenna delay
X.SDD
Set and request spring and fall dates for daylight
savings and standard times.
Spring Date: 4/1
Fall DATE: 10/28
X.SLP
Set and request user entered position
N/A
X.SPS
Set and request position source Computed
average
position
X.SUT
Set UTC time and request current time.
N/A
X.STM
Set and request time mode.
UTC
X.STI
Set and request receiver unlock time-out delay
5 days RUB
2 days DXTL
SOS
Switch on-line source
AUTO
FRST Remote
fault
reset
N/A