Agilent Technologies ESA-E Series Programmer's Manual page 223

Language Reference
INPut Subsystem
Select Mixer Type
INPut :MlXer :TYPE PRESelectedIUNPReselect
INPut :MlXer :TYPE ?
This command selects the type of mixer being used .
Factory Preset
and *RST: UNPReselect
Remarks : Setting mixer type to Presel activates a tuning signa l
that is routed to the PRESEL TUNE OUTPU T
connector on the analyzer rear panel . This signal drive s
the tune input of the HP/Agilent 11974-Serie s
Preselected Mixers at 1 .5V/GHz . The sweep rate in this
mode is limited to 40 MHz/msec .
NOTE
Preselected Mixer Type is not allowed when AUTO harmonic and Ex t
Mix Band K, E, W, F, D, G, Y, or J is selected .
Front Panel
Access :
Input/Output (or Input), Input Mixer, Mixer Config, Mixe r
Type Presel Unpr e
Clear the Input Overload
INPut :PROTection :CLEa r
Resets the overload protection circuitry for the input connector . There i s
no query form of this command .
NOTE
This command is valid only for Agilent ESA models E4401B an d
E4411B .
The excessive input signal may have caused 15 dB of attenuation to b e
switched in, or it may have completely switched the input connector ou t
so that it is connected to the internal reference signal .
Chapter 5
5-63