Spectrum Analyzer Commands 4-2 :CALCulate Subsystem
S412E PM PN: 10580-00319 Rev. N 4-19
:CALCulate:MARKer{1|2|3|4|5|6}:X <x-parameter>
:CALCulate:MARKer{1|2|3|4|5|6}:X?
Title: Marker X Value
Description: Sets the location of the marker on the x-axis at the specified location.
<x-parameter> is defined in the current x-axis units. The query version
of the command returns the location of the marker on the x-axis. Note
that the marker is snapped to the data point closest to the specified
value. If the specified marker is not on it is set to on.
Parameter: <x-parameter>
Default Unit: Hz or seconds if in zero span
Example: To set reference marker #2 to 5 hertz on the x-axis:
:CALCulate:MARKer2:X 5
:CALCulate:MARKer2:X 5Hz
To set reference marker #1 to 1.5 GHz on the x-axis:
:CALCulate:MARKer:X 1.5GHz
:CALCulate:MARKer1:X 1.5GHz
(In zero span) To set reference marker #3 to 1.5 seconds on the x-axis:
:CALCulate:MARKer3:X 1.5
:CALCulate:MARKer3:X 1.5s
(In zero span) To set reference marker #1 to 25 us:
:CALCulate:MARKer:X 25us
:CALCulate:MARker1:X 25us
Front Panel Access: Marker, Marker [1/2/3/4/5/6]
:CALCulate:MARKer{1|2|3|4|5|6}:Y?
Title: Marker Read Y Value
Description: Reads the current Y value for the specified marker. The units are the
units of the y-axis.
Default Unit: Current y-axis unit
:CALCulate:MARKer{1|2|3|4|5|6}[:SET]:CENTer
Title: Marker Frequency to Center
Description: Sets the center frequency equal to the frequency of the specified marker.
Note that this will result in a change to the start and stop frequencies
and may also result in a change to the span. Note that this command is
not valid in zero span.
Front Panel Access: Marker, Marker Freq to Center
Note
Setting a marker beyond the current start frequency or stop frequency will result in
an invalid power measurement.
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