Agilent Technologies ESA-E Series Programmer's Manual page 269

Language Reference
[SENSe] :MIXer Subsection
Set External Mixer LO Harmonic Mod e
[ :SENSe] :MlXer :HARMonic :AUTO <boolean >
[ :SENSe] :MIXer :HARMonic :AUTO ?
This command allows you to set the external mixer LO harmonic mod e
to either automatic or manual . The manual mode is used with mixers
other than the HP/Agilent 11970-Series or 11974-Series Mixers t o
manually choose the required LO harmonic. This command is available
only on model E4407B analyzers having Option AYZ .
Factory Preset
and *RST: AUTO
Remarks: The harmonic value with its associated sign i s
automatically determined from the external mixer
band selected. This is the AUTO mode. For mixers
other than the HP/Agilent 11970-Series or
11974-Series, an LO harmonic other than that
determined in the AUTO mode may be required . This is
achieved using this command and related comman d
[ :SENSe] :Mixer :HARMonic <value>.
NOTE
Manually selecting a harmonic will remove any restrictions on Mixer
Bias and Mixer Type, and External Mixer Band will become USER .
Returning the Harmonic to AUTO will reset the band to A, set Mixe r
Type to UNPReselect, and turn Mixer Bias Off.
Front Panel
Access : Input/Output (or Input), Input Mixer, Mixer Config, Harmoni c
Auto Ma n
Chapter 5 5-109