Anritsu MS9740A - Calculate:marker[1|2|3|4]:Function:delta:X:reference

3.4 Device Message Details
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Message Details
:CALCulate:MARKer[1|2|3|4]:FUNCtion:DELTa:X:REFerence?
Function
This command queries the wavelength or frequency of the trace marker.
Syntax
:CALCulate:MARKer[1|2|3|4]:FUNCtion:DELTa:X:REFerence?
The process will not change regardless of whether a number [1|2|3|4] is
specified or omitted.
Response Data
<numeric>
<numeric>: Wavelength or Frequency (m|Hz)
To set the unit of response data, use
the :CALCulate:MARKer[1|2|3|4]:FUNCtion:DELTa:X:READout
command.
Example of Use
:CALCulate:MARKer:FUNCtion:DELTa:X:REFerence?
>+1.53500000E-006