8 Frequency Scan Measurement
FREQ Channel
FREQ Channel
Displays the menu keys that enable you to control the frequency parameters and scale type.
Key Path
Front-panel key
Notes Front panel only.
Initial S/W Revision A.07.00
Frequency
Sets the frequency of Meters in the Frequency Scan measurement. For the Strip Chart measurement, this
key will set the frequency for both meters and strip chart. For APD measurement, this key is used to set the
frequency to perform Amplitude Probability Distribution. For Monitor Spectrum measurement, this key is
used to set the Center Frequency.
Key Path
FREQ Channel
Remote Command
[:SENSe]:FREQuency:CENTer <frequency>
[:SENSe]:FREQuency:CENTer ?
Example FREQ:CENT 3 GHZ
FREQ:CENT?
Notes For the Frequency Scan measurement, when QPD, EMI Average or RMS Average detectors is
selected, you will see some delay for meters to reflect the new data due to filtering time. However, if
the change in the meters frequency is performed by knob or step keys, there will be no filtering time
added unless the change of the meters frequency has triggered other parameter changes.
Preset 515 MHz
State Saved Saved in instrument state.
Min For Frequency Scan and Strip Chart measurements, it depends on the instrument minimum
frequency.
Max For Frequency Scan, and Strip Chart measurements, it depends on the instrument maximum
frequency.
Default Unit Hz
Status Bits/OPC
dependencies
non-overlapped
Backwards
Compatibility SCPI
:SENSe1|SENSe2|[SENSe]:FREQuency:CENTer
:SENSe1|SENSe2|[SENSe]:FREQuency:FIXed
Backwards Compatibility
SCPI Notes
These commands above are included for ESU compatibility. The suffix 1|2 is irrelevant to the
measurement, they are added solely for remote language compatibility.
Initial S/W Revision A.07.00
Midspan Frequency
Sets the frequency at midspan of the graticule display.
EMI Receiver Mode Reference 403
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