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
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