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Chapter 4 Command Quick Reference
System Time
4-10 Operating and Programming Guide
System Time
The following commands are provided to allow you to monitor and control the
system date and time. These commands allow you access to a very accurate
system clock that provides both date and time, to customize the clock for a local
time zone, to identify the exact time, to identify the accumulated time
difference (in seconds) between the GPS and UTC timelines, and to monitor
leap second occurrences.
Identifying Time of Next 1 PPS Reference Edge
Reading Current Time
:PTIMe:DATE? or :SYSTem:DATE?
:PTIMe:TIME? or :SYSTem:TIME?
:PTIMe:TIME:STRing?
Applying Local Time Zone Offset
Defining the 1 PPS Reference Edge (59551A Only)
Reading Leap Second Status
:PTIMe:LEAPsecond:DATE?
:PTIMe:LEAPsecond:DURation?
:PTIMe:LEAPsecond:STATe?
R
:PTIMe:TCODe?
Returns timecode message 980 to 20 ms prior to 1 PPS of indicated time.
:PTIMe:TZONe <hours>, <minutes>
Sets the time zone local time offset to provide an offset from UTC to serve as the basis for all
reported time.
:PTIMe:TZONe?
Returns the local time zone offset.
:PTIMe:PPS:EDGE RISing or FALLing
Selects the polarity of the 1 PPS on-time edge.
:PTIMe:PPS:EDGE?
Returns the polarity of the 1 PPS on-time edge.
:PTIMe:LEAPsecond:ACCumulated?
Returns the leap second difference accumulated between GPS time and UTC time since the beginning
of GPS time. The time units are seconds.
R: Accessible via rear-panel PORT 1.
Basic command