11 APD Measurement
AMPTD Y Scale
Autorange
Accesses a menu that enables you to choose whether or not to turn on the Autorange feature.
Key Path
Amptd Y Scale
Readback In square brackets, the state of Autorange then the state of Auto Preamp, separated by commas, as
[Rng:On, Pre:Off]
Initial S/W Revision A.13.00
Autorange
When autorange is selected, the attenuation will be increased automatically when an overload is
detected.
Key Path
Amptd Y Scale, Autorange
Remote Command
[:SENSe]:APD:ATTenuation:AUTO ON|OFF|1|0
[:SENSe]:APD:ATTenuation:AUTO?
Example :APD:ATT:AUTO 0
:APD:ATT:AUTO?
Preset OFF
State Saved Saved in instrument state
Initial S/W Revision A.13.00
Auto Preamp
When ON, Internal Preamp will be considered in the autorange procedure.
Key Path
Amptd Y Scale, Autorange
Remote Command
[:SENSe]:APD:GAIN:AUTO ON|OFF|1|0
[:SENSe]:APD:GAIN:AUTO?
Example :APD:GAIN:AUTO ON
:APD:GAIN:AUTO?
Preset OFF
State Saved Saved in instrument state
Initial S/W Revision A.13.00
Presel Center
When this key is pressed, the centering of the preselector filter is adjusted to optimize the amplitude
accuracy at the frequency of the selected marker. If the selected marker is not on when Presel Center is
EMI Receiver Mode Reference 897
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