Agilent Technologies ESA-E Series Programmer's Manual page 211

Language Referenc e
FETCh Subsystem
Remarks: If fewer than ten harmonics are measured, zero is
returned for any harmonic not measured . The
harmonic frequency precision for SCPI and the displa y
is four significant digits .
Front Panel
Access:
MEASURE,
Harmonic Dist
Return Harmonic N Frequency
:FETCh :HARMonics :FREQuency[n] ?
Returns the frequency of harmonic number n (2 to 10), measured in Hz .
Range : 0 Hz to the maximum frequency range of the analyze r
Default Unit: Hz
Remarks: The harmonic frequency precision for SCPI and the
display is four significant digits .
Front Pane l
Access :
MEASURE,
Harmonic Dist
Return Fundamental Frequency
FETCh :AARMonics :FQNDameata1 ?
Returns the frequency of the fundamental, measured in Hz .
Range : 0 Hz to the maximum frequency range of the analyze r
Default Unit: Hz
Remarks: The harmonic frequency precision for SCPI and the
display is four significant digits .
Front Panel
Access :
MEASURE,
Harmonic Dist
Return OBW and Transmit Frequency Error
FETCh :OBWidth ?
This command returns scalar results of occupied bandwidth, an d
transmit frequency error .
Remarks: The results for both values are returned in Hz and in a
comma-separated list .
Return Occupied Bandwidth
FETCh :OBWidth :OBWidth ?
This command returns the value of occupied bandwidth in Hz .
Chapter 5 5-51