VNA Master™Programming Manual : Spectrum Analyzer Commands : [:SENSe] Subsystem
 
[:SENSe] Subsystem
The commands in this subsystem relate to device‑specific parameters, not signal‑oriented parameters.
ACPR Adjacent Channel Bandwidth
[:SENSe]:ACPower:BANDwidth|BWIDth:ADJacent
Description
Sets the adjacent channel bandwidth for the ACPR measurement.
Syntax:
[:SENSe]:ACPower:BANDwidth|BWIDth:ADJacent <freq>
[:SENSe]:ACPower:BANDwidth|BWIDth:ADJacent?
Cmd Parameter
<freq>
Query Response
<freq>
Range
1 Hz to 9 GHz for MS2036C
1 Hz to 15 GHz for MS2037C
1 Hz to 20 GHz for MS2038C
Default Value
10.35 MHz
Default Unit
Hz
Front Panel Access
Shift‑4 (Measure), ACPR, Adj Ch BW
 
ACPR Main Channel Bandwidth
[:SENSe]:ACPower:BANDwidth|BWIDth:MAIN
Description
Sets the main channel bandwidth for the ACPR measurement.
Syntax:
[:SENSe]:ACPower:BANDwidth|BWIDth:MAIN <freq>
[:SENSe]:ACPower:BANDwidth|BWIDth:MAIN?
Cmd Parameter
<freq>
Query Response
<freq>
Range
1 Hz to 9 GHz for MS2036C
1 Hz to 15 GHz for MS2037C
1 Hz to 20 GHz for MS2038C
Default Value
10.35 MHz
Default Unit
Hz
Front Panel Access
Shift‑4 (Measure), ACPR, Main Ch BW
 
ACPR Channel Spacing
[:SENSe]:ACPower:BANDwidth|BWIDth:SPACing
Description
Sets the channel spacing for the ACPR measurement.
Syntax:
[:SENSe]:ACPower:BANDwidth|BWIDth:SPACing <freq>
[:SENSe]:ACPower:BANDwidth|BWIDth:SPACing?
Cmd Parameter
<freq>
Query Response
<freq>
Range
1 Hz to 9 GHz for MS2036C
1 Hz to 15 GHz for MS2037C
1 Hz to 20 GHz for MS2038C
Default Value
10.35 MHz
Default Unit
Hz
Front Panel Access
Shift‑4 (Measure), ACPR, Ch Spacing
 
ACPR Measurement State
[:SENSe]:ACPower:STATe
Description
Sets the state of the adjacent channel power ratio measurement, ON or OFF. When using :CONFigure:ACPower, the state is automatically set to ON.
Syntax:
[:SENSe]:ACPower:STATe OFF|ON|0|1
[:SENSe]:ACPower:STATe?
Cmd Parameter
<boolean> OFF|ON|0|1
Query Response
<bNR1> 0|1
Default Value
OFF
Front Panel Access
NA
 
Number of Traces to Average
[:SENSe]:AVERage:COUNt
Description
Sets the number of traces to average.
Syntax:
[:SENSe]:AVERage:COUNt <integer>
[:SENSe]:AVERage:COUNt?
Cmd Parameter
<integer>
Query Response
<integer>
Range
2 to 65535
Default Value
10
Front Panel Access
Shift‑5 (Trace), Trace A Operations, # of Averages
 
Trace Mode (Normal/Average/Max Hold/Min Hold)
[:SENSe]:AVERage:TYPE
Description
Specifies how successive traces are combined to produce the resulting display value. Setting the TYPE to NONE is the equivalent of setting the trace mode to “NormalA” on the front panel. The displayed value for a point is the current measured value for that point. Setting the TYPE to SCALar is the equivalent of setting the trace mode to “AverageA” on the front panel. The displayed value for a point is the average of the last <integer> measured values where <integer> is set by [:SENSe]:AVERage:COUNt. Setting the TYPE to MAXimum is the equivalent of setting the trace mode to “Max HoldA” on the front panel. The displayed value for a point is the maximum measured value for that point over sweeps. Setting the TYPE to MINimum is the equivalent of setting the trace mode to “Min HoldA” on the front panel. The displayed value for a point is the minimum measured value for that point over sweeps.
Syntax:
[:SENSe]:AVERage:TYPE NONE|SCALar|MAXimum|MINimum
[:SENSe]:AVERage:TYPE?
Cmd Parameter
<char> NONE|SCALar|MAXimum|MINimum
Query Response
<char> NONE|SCAL|MAX|MIN
Default Value
NONE
Example
To set the TYPE to SCALar:
:SENSe:AVERage:TYPE SCALar
To set the TYPE to MAXimum:
:SENSe:AVERage:TYPE MAXimum
Related Command
[:SENSe]:AVERage:COUNt
Front Panel Access
Shift‑5 (Trace), Trace A Operations
 
Resolution Bandwidth
[:SENSe]:BANDwidth|BWIDth[:RESolution]
Description
Sets the resolution bandwidth. Note that using this command turns the automatic resolution bandwidth setting OFF.
Syntax:
[:SENSe]:BANDwidth|BWIDth[:RESolution] <freq>
[:SENSe]:BANDwidth|BWIDth[:RESolution]?
Cmd Parameter
<freq>
Query Response
<freq>
Range
10 Hz to 3 MHz in a 1:3 sequence
Default Value
3 MHz
Default Unit
Hz
Related Command
[:SENSe]:BANDwidth|BWIDth[:RESolution]:AUTO
Front Panel Access
BW, RBW
 
Resolution Bandwidth Coupling
[:SENSe]:BANDwidth|BWIDth[:RESolution]:AUTO
Description
Sets the state of the coupling of the resolution bandwidth to the frequency span. Setting the value to ON or to 1 results in the resolution bandwidth being coupled to the span. That is, when the span changes, the resolution bandwidth changes. Setting the value to OFF or to 0 results in the resolution bandwidth being uncoupled from the span. That is, changing the span does not change the resolution bandwidth. When this command is issued, the resolution bandwidth setting itself does not change, only the coupling is affected. The default value is ON. That is, sending :SENS:BAND:RES:AUTO is equivalent to sending :SENS:BAND:RES:AUTO ON.
Syntax:
[:SENSe]:BANDwidth|BWIDth[:RESolution]:AUTO OFF|ON|0|1
[:SENSe]:BANDwidth|BWIDth[:RESolution]:AUTO?
Cmd Parameter
<boolean> OFF|ON|0|1
Query Response
<bNR1> 0|1
Default Value
ON
Related Command
[:SENSE]:BANDwidth|BWIDth[:RESolution]:RATio
Front Panel Access
BW, Auto RBW
 
Resolution Bandwidth to Span Ratio
[:SENSe]:BANDwidth|BWIDth[:RESolution]:RATio
Description
Sets the ratio of the resolution bandwidth to the span for use when the resolution‑bandwidth‑to‑span coupling is enabled. Note that the front panel interface sets the inverse ratio: the span to the resolution bandwidth.
Syntax:
[:SENSe]:BANDwidth|BWIDth[:RESolution]:RATio <number>
[:SENSe]:BANDwidth|BWIDth[:RESolution]:RATio?
Cmd Parameter
<number>
Query Response
<number>
Range
0.00001 to 1
Default Value
0.00333
Related Command
[:SENSe]:BANDwidth|BWIDth[:RESolution]:AUTO
Front Panel Access
BW, Span/RBW (note that this is the inverse ratio)
 
Video Bandwidth
[:SENSe]:BANDwidth|BWIDth:VIDeo
Description
Sets the video bandwidth. Note that using this command turns the automatic video bandwidth setting OFF.
Syntax:
[:SENSe]:BANDwidth|BWIDth:VIDeo <freq>
[:SENSe]:BANDwidth|BWIDth:VIDeo?
Cmd Parameter
<freq>
Query Response
<freq>
Range
1 Hz to 3 MHz in a 1:3 sequence
Default Value
1 MHz
Default Unit
Hz
Related Command
[:SENSe]:BANDwidth|BWIDth:VIDeo:AUTO
Front Panel Access
BW, VBW
 
Video Bandwidth Coupling
[:SENSe]:BANDwidth|BWIDth:VIDeo:AUTO
Description
Sets the state of the coupling of the video bandwidth to the resolution bandwidth. Setting the value to ON or to 1 results in the video bandwidth being coupled to the resolution bandwidth. That is, when the resolution bandwidth changes, the video bandwidth changes. Setting the value to OFF or to 0 results in the video bandwidth being uncoupled from the resolution bandwidth. That is, changing the resolution bandwidth no longer changes the video bandwidth. When this command is issued, the video bandwidth setting itself does not change, only the coupling is affected. The default value is ON. That is, sending :SENS:BAND:VID:AUTO is equivalent to sending :SENS:BAND:VID:AUTO ON.
Syntax:
[:SENSe]:BANDwidth|BWIDth:VIDeo:AUTO OFF|ON|0|1
[:SENSe]:BANDwidth|BWIDth:VIDeo:AUTO?
Cmd Parameter
<boolean> OFF|ON|0|1
Query Response
<bNR1> 0|1
Default Value
ON
Front Panel Access
BW, Auto VBW
 
Video Bandwidth to Resolution Bandwidth Ratio
[:SENSe]:BANDwidth|BWIDth:VIDeo:RATio
Description
Sets the ratio of the video bandwidth to the resolution bandwidth for use when the video‑to‑resolution bandwidth coupling is enabled. Note that the front panel interface sets the inverse ratio: the resolution bandwidth to the video bandwidth, which is an integer. In other words, if you send 0.35, then the display shows 2 not 2.857.
Syntax:
[:SENSe]:BANDwidth|BWIDth:VIDeo:RATio <number>
[:SENSe]:BANDwidth|BWIDth:VIDeo:RATio?
Cmd Parameter
<number>
Query Response
<number>
Range
0.00001 to 1
Default Value
0.33
Related Command
[:SENSe]:BANDwidth|BWIDth:VIDeo:AUTO
Front Panel Access
BW, RBW/VBW (note that this is the inverse ratio)
 
Video Bandwidth
[:SENSe]:BANDwidth|BWIDth:VIDeo:TYPE
Description
Changes the VBW/Average type.
Syntax:
[:SENSe]:BANDwidth|BWIDth:VIDeo:TYPE LOGarithmic|LINear
[:SENSe]:BANDwidth|BWIDth:VIDeo:TYPE?
Default Value
LINear
Related Command
[:SENSe]:BANDwidth|BWIDth:VIDeo:AUTO
Front Panel Access
BW, VBW/Average Type
 
Channel Power Integration Bandwidth
[:SENSe]:CHPower:BANDwidth|BWIDth:INTegration
Description
Sets the integration bandwidth for the channel power measurement. Integration bandwidth must be less than or equal to the frequency span.
Syntax:
[:SENSe]:CHPower:BANDwidth|BWIDth:INTegration <freq>
[:SENSe]:CHPower:BANDwidth|BWIDth:INTegration?
Cmd Parameter
<freq>
Query Response
<freq>
Range
10 Hz to 9 GHz for MS2036C
10 Hz to 15 GHz for MS2037C
10 Hz to 20 GHz for MS2038C
Default Value
10.35 MHz
Default Unit
Hz
Related Command
[:SENSe]:FREQuency:SPAN
Front Panel Access
Shift‑4 (Measure), Channel Power, Ch Pwr Width
 
Channel Power Measurement State
[:SENSe]:CHPower:STATe
Description
Sets the state of the channel power measurement, ON or OFF. When using :CONFigure:CHPower, the state is automatically set to ON.
Syntax:
[:SENSe]:CHPower:STATe OFF|ON|0|1
[:SENSe]:CHPower:STATe?
Cmd Parameter
<boolean> OFF|ON|0|1
Query Response
<bNR1> 0|1
Default Value
OFF
Related Command
:CONFigure:ACPower
Front Panel Access
Shift‑4 (Measure), ACPR, On/Off
 
Input Impedance
[:SENSe]:CORRection:IMPedance[:INPut][:MAGNitude]
Description
Sets the input impedance that is used for amplitude correction and conversion between units (dBm versus dBV versus Volts, and so forth). If the value of <integer> is 50, then no correction is performed. If the value of <integer> is 75, then correction is based on Anritsu adapter 12N50‑75B.
To place the instrument in Other or offset mode, send a 2. After the instrument is in the “Other” mode, the command, [:SENSe]:CORRection:IMPedance[:INPut]:OFFSet, can be used to adjust the offset.
Syntax:
[:SENSe]:CORRection:IMPedance[:INPut][:MAGNitude] <integer>
[:SENSe]:CORRection:IMPedance[:INPut][:MAGNitude]?
Cmd Parameter
<integer>
Query Response
<integer>
Range
50 ohm or 75 ohm, all other values are treated as described in command description:
Default Value
50 ohm
Front Panel Access
Shift‑8 (System), Application Options, Impedance
 
Other Input Impedance Loss
[:SENSe]:CORRection:IMPedance[:INPut]:OFFSet
Description
Sets the value that is used for amplitude correction when the value set by [:SENSe]:CORRection:IMPedance[:INPut][:MAGNitude] is something other than 50 or 75. This value is not applied if the impedance is set to either 50 or 75.
Syntax:
[:SENSe]:CORRection:IMPedance[:INPut]:OFFSet <rel ampl>
[:SENSe]:CORRection:IMPedance[:INPut]:OFFSet?
Cmd Parameter
<rel ampl>
Query Response
<rel ampl>
Range
0 dB to 100 dB
Default Value
0
Default Unit
dB
Related Command
[:SENSe]:CORRection:IMPedance[:INPut][:MAGNitude]
Front Panel Access
Shift‑8 (System), Application Options, Impedance
 
Detection Type
[:SENSe]:DETector[:FUNCtion]
Description
Sets the detection method for calculating each display point. Each display point represents several measurements. The detection type determines how the display point is derived from its associated measurements. POSitive Peak detection displays the maximum value of the associated measurements. RMS detection displays the average power of the associated measurements. NEGative Peak detection displays the minimum value of the associated measurements. SAMPle detection displays the “middle” point of those measurements that are associated with a display point. For example, if 3 measurement frequencies are associated with a given display point, then sample detection displays the value at the frequency of the second measurement point.
Syntax:
[:SENSe]:DETector[:FUNCtion] POSitive|RMS|NEGative|SAMPle|QUASI
[:SENSe]:DETector[:FUNCtion]?
Cmd Parameter
<char> POSitive|RMS|NEGative|SAMPle|QUASI
Query Response
<char> POS|RMS|NEG|SAMP
Default Value
(Positive) Peak
Front Panel Access
Amplitude, Detection
Frequency Reference Status
[:SENSe]:EXTRefstatus?
Description
Returns 0 for internal or GPS reference, 1 for external reference.
Front Panel Access
None
Center Frequency
[:SENSe]:FREQuency:CENTer
Description
Sets the center frequency. Note that changing the value of the center frequency changes the value of the coupled parameters: Start Frequency and Stop Frequency. It may also change the value of the span.
Syntax:
[:SENSe]:FREQuency:CENTer <freq>
[:SENSe]:FREQuency:CENTer?
Cmd Parameter
<freq>
Query Response
<freq>
Range
0 Hz and 10 Hz to 9 GHz for MS2036C
0 Hz and 10 Hz to 15 GHz for MS2037C
0 Hz and 10 Hz to 20 GHz for MS2038C
Default Unit
Hz
Default Value
4.5 GHz for MS2036C
7.5 GHz for MS2037C
10 GHz for MS2038C
Front Panel Access
Freq, Center Freq
 
Channel Selection
[:SENSe]:FREQuency:SIGStandard:CHANnel
Description
Sets the channel number for the selected signal standard.
Parameter
<number>
Syntax:
[:SENSe]:FREQuency:SIGStandard:CHANnel <number>
[:SENSe]:FREQuency:SIGStandard:CHANnel?
Cmd Parameter
<number>
Query Response
<number>
Front Panel Access
Freq, Channel
Signal Standard
[:SENSe]:FREQuency:SIGStandard:NAMe
Description
Selects the desired signal standard from the list. The <string> argument is the name of the desired signal standard as displayed in the instrument current signal standard list. The list can be displayed on the instrument by pressing the Signal Standard soft key in the Freq menu. The list can also be downloaded remotely and viewed by using Anritsu Master Software Tools. For example, if the desired Signal Standard is P‑GSM 900 ‑ Uplink, then the value of the <string> argument would be “P‑GSM 900 ‑ Uplink”.
The query form of this command returns the name of the currently‑selected Signal Standard on the list.
Syntax:
[:SENSe]:FREQuency:SIGStandard:NAMe <string>
[:SENSe]:FREQuency:SIGStandard:NAMe?
Cmd Parameter
<string>
Query Response
<string>
Front Panel Access
Freq, Signal Standard
 
Frequency Span
[:SENSe]:FREQuency:SPAN
Description
Sets the frequency span. Setting the value of <freq> to 0 Hz is the equivalent of setting the span mode to zero span. Note that changing the value of the frequency span changes the value of the coupled parameters Start Frequency and Stop Frequency, and may change the Center Frequency.
Syntax:
[:SENSe]:FREQuency:SPAN <freq>
[:SENSe]:FREQuency:SPAN?
Cmd Parameter
<freq>
Query Response
<freq>
Range
0 Hz to 9 GHz for MS2036C
0 Hz to 15 GHz for MS2037C
0 Hz to 20 GHz for MS2038C
Default Unit
Hz
Default Value
9 GHz for MS2036C
15 GHz for MS2037C
20 GHz for MS2038C
Front Panel Access
Span
Frequency Span – Full
[:SENSe]:FREQuency:SPAN:FULL
Description
Sets the frequency span to full span. Note that changing the value of the frequency span changes the value of the coupled parameters, Start Frequency and Stop Frequency, and may change the Center Frequency.
Syntax:
[:SENSe]:FREQuency:SPAN:FULL
Query Response
NA (no query)
Default Value
9 GHz for MS2036C
15 GHz for MS2037C
20 GHz for MS2038C
Front Panel Access
Span, Full Span
 
Frequency Span – Last
[:SENSe]:FREQuency:SPAN:PREVious
Description
Sets the frequency span to the previous span value. Note that changing the value of the frequency span changes the value of the coupled parameters, Start Frequency and Stop Frequency, and may change the Center Frequency.
Syntax:
[:SENSe]:FREQuency:SPAN:PREVious
Query Response
NA (no query)
Range
0 Hz and 10 Hz to 9 GHz for MS2036C
0 Hz and 10 Hz to 15 GHz for MS2037C
0 Hz and 10 Hz to 20 GHz for MS2038C
Default Unit
Hz
Front Panel Access
Span, Last Span
 
Start Frequency
[:SENSe]:FREQuency:STARt
Description
Sets the start frequency. Note that in the spectrum analyzer, changing the value of the start frequency changes the value of the coupled parameters, Center Frequency and Span.
Syntax:
[:SENSe]:FREQuency:STARt <freq>
[:SENSe]:FREQuency:STARt?
Cmd Parameter
<freq>
Query Response
<freq>
Range
0 Hz to 9 GHz for MS2036C
0 Hz to 15 GHz for MS2037C
0 Hz to 20 GHz for MS2038C
Default Value
0 Hz
Default Unit
Hz
Related Command
[:SENSe]:FREQuency:STOP?
Front Panel Access
Freq, Start Freq
 
Frequency Step
[:SENSe]:FREQuency:STEP[:INCRement]
Description
Sets the frequency step to the given frequency value.
Syntax:
[:SENSe]:FREQuency:STEP[:INCRement] <freq>
[:SENSe]:FREQuency:STEP[:INCRement]?
Cmd Parameter
<freq>
Query Response
<freq>
Range
1 Hz to 9 GHz for MS2036C
1 Hz to 15 GHz for MS2037C
1 Hz to 20 GHz for MS2038C
Default Value
1 MHz
Default Unit
Hz
Front Panel Access
Freq, Freq Step
 
Stop Frequency
[:SENSe]:FREQuency:STOP
Description
Sets the stop frequency. Note that in the spectrum analyzer, changing the value of the stop frequency changes the value of the coupled parameters, Center Frequency and Span.
Syntax:
[:SENSe]:FREQuency:STOP <freq>
[:SENSe]:FREQuency:STOP?
Cmd Parameter
<freq>
Query Response
<freq>
Range
10 Hz to 9 GHz for MS2036C
10 Hz to 15 GHz for MS2037C
10 Hz to 20 GHz for MS2038C
Default Unit
Hz
Default Value
9 GHz for MS2036C
15 GHz for MS2037C
20 GHz for MS2038C
Front Panel Access
NA
 
Field Strength Antenna
[:SENSe]:FSTRength:ANTenna
Description
Selects an antenna from the antenna list to use for field strength measurement result calculations. The <antenna> argument is a 1‑based index of the position of the desired antenna in the instrument current antenna list. The list can be displayed on the instrument by choosing the Antenna soft key in the F Strength menu. For example, if the desired antenna were the third item on the antenna listing, then the value of the <antenna> argument would be 3. Setting the <antenna> argument to 0 indicates that no antenna is selected (the query returns a value of 0 (zero) for NO antenna).
The query form of this command returns the index of the currently‑selected antenna.
Syntax:
[:SENSe]:FSTRength:ANTenna <antenna>
[:SENSe]:FSTRength:ANTenna?
Cmd Parameter
<antenna>
Query Response
<antenna>
Default Value
1
Related Command
:CONFigure:FSTRength
Front Panel Access
Shift‑4 (Measure), Field Strength, Antenna
 
Field Strength Measurement State
[:SENSe]:FSTRength:STATe
Description
Sets the state of the field strength measurement, ON or OFF. When using :CONFigure:FSTRength, the state is automatically set to ON.
Syntax:
[:SENSe]:FSTRength:STATe OFF|ON|0|1
[:SENSe]:FSTRength:STATe?
Cmd Parameter
<boolean> OFF|ON|0|1
Query Response
<bNR1> 0|1
Default Value
OFF
Related Command
:CONFigure:CHPower
Front Panel Access
Shift‑4 (Measure), Field Strength, On/Off
 
Occupied Bandwidth Measurement Method
[:SENSe]:OBWidth:METHod
Description
Sets the method for calculating occupied bandwidth. XDB calculates the occupied bandwidth based on points that are a specified number of dB below the carrier. Issue command [:SENSe]:OBWidth:XDB to set the number of dB to be used. PERCent calculates the occupied bandwidth based on points a specified percentage of the carrier power below the carrier. Issue command [:SENSe]:OBWidth:PERCent to set the percentage to be used.
Syntax:
[:SENSe]:OBWidth:METHod XDB|PERCent
[:SENSe]:OBWidth:METHod?
Cmd Parameter
<char> XDB|PERCent
Query Response
<char> XDB|PERCent
Default Value
PERCent
Related Command
[:SENSe]:OBWidth:XDB [:SENSe]:OBWidth:PERCent
Front Panel Access
Shift‑4 (Measure), OCC BW, Method, % Int Pwr|> dBc
 
Occupied Bandwidth Percent of Power
[:SENSe]:OBWidth:PERCent
Description
This command sets the percentage of carrier power that is used to measure the occupied bandwidth. This value is used in the measurement if :SENSe:OBWidth:METHod is set to PERCent.
Syntax:
[:SENSe]:OBWidth:PERCent <percentage>
[:SENSe]:OBWidth:PERCent?
Cmd Parameter
<percentage>
Query Response
<percentage>
Range
0 % to 100 %
Default Value
99
Default Unit
%
Related Command
[:SENSe]:OBWidth:METHod
Front Panel Access
Shift‑4 (Measure), OCC BW, %
 
Occupied Bandwidth Measurement State
[:SENSe]:OBWidth:STATe
Description
Sets the state of the occupied bandwidth measurement, ON or OFF. When using :CONFigure:OBWidth, the state is automatically set to ON.
Syntax:
[:SENSe]:OBWidth:STATe OFF|ON|0|1
[:SENSe]:OBWidth:STATe?
Cmd Parameter
<boolean> OFF|ON|0|1
Query Response
<bNR1> 0|1
Default Value
OFF
Related Command
:CONFigure:OBWidth
Front Panel Access
Shift‑4 (Measure), OCC BW, On/Off
 
Occupied Bandwidth dB Down
[:SENSe]:OBWidth:XDB
Description
This command sets the number of dB below the carrier that is used to measure the occupied bandwidth. This value is used in the measurement if :SENSe:OBWidth:METHod is set to XDB.
Syntax:
[:SENSe]:OBWidth:XDB <rel ampl>
[:SENSe]:OBWidth:XDB?
Cmd Parameter
<rel ampl>
Query Response
<rel ampl>
Range
0 dBc to 100 dBc
Default Value
3 dBc
Default Unit
dBc
Related Command
[:SENSe]:OBWidth:METHod
Front Panel Access
Shift‑4 (Measure), OCC BW, dBc
 
Input Attenuation
[:SENSe]:POWer[:RF]:ATTenuation
Description
Sets the input attenuation. Note that issuing this command sets the automatic input attenuation OFF.
Syntax:
[:SENSe]:POWer[:RF]:ATTenuation <rel ampl>
[:SENSe]:POWer[:RF]:ATTenuation?
Cmd Parameter
<rel ampl>
Query Response
<rel ampl>
Range
0 dB to 65 dB
Default Value
30 dB
Default Unit
dB
Related Command
[:SENSe]:POWer[:RF]:ATTenuation:AUTO
Front Panel Access
Amplitude, Atten Lvl
 
Input Attenuation Coupling
[:SENSe]:POWer[:RF]:ATTenuation:AUTO
Description
Sets the input attenuation coupling. Setting the value to ON or to 1 results in the input attenuation being coupled to the reference level. Setting the value to OFF or to 0 results in the input attenuation being uncoupled from the reference level. That is, changing the reference level does not change the input attenuation. When this command is issued, the input attenuator setting itself does not change, only the coupling is affected. The default value is ON. That is, sending :SENS:POW:ATT:AUTO is equivalent to sending :SENS:POW:ATT:AUTO ON.
Syntax:
[:SENSe]:POWer[:RF]:ATTenuation:AUTO OFF|ON|0|1
[:SENSe]:POWer[:RF]:ATTenuation:AUTO?
Cmd Parameter
<boolean> OFF|ON|0|1
Query Response
<bNR1> 0|1
Default Value
ON
Related Command
[:SENSe]:POWer[:RF]:ATTenuation
Front Panel Access
Amplitude, Auto Atten
 
Preamp State
[:SENSe]:POWer[:RF]:GAIN[:STATe]
Description
Sets the state of the preamplifier (preamp). Note that this may cause a change in the reference level or attenuation or both.
Syntax:
[:SENSe]:POWer[:RF]:GAIN[:STATe] OFF|ON|0|1
[:SENSe]:POWer[:RF]:GAIN[:STATe]?
Cmd Parameter
<boolean> OFF|ON|0|1
Query Response
<bNR1> 0|1
Default Value
OFF
Front Panel Access
Amplitude, Pre Amp
Sweep Mode
[SENSe]:SWEep:MODE FAST|PERFormance|NOFFt
Description
Changes the current sweep mode. (For on‑screen assistance, use key combination: Shift‑3 (Sweep) > Sweep Mode > Show Help to see information on the specific trade‑offs between sweep modes.)
Syntax:
[SENSe]:SWEep:MODE FAST|PERFormance|NOFFt
[SENSe]:SWEep:MODE?
Cmd Parameter
FAST|PERFormance|NOFFt
Query Response
FAST|PERF|NOFF
Range
10 μs to 600000000 μs
Default Value
Fast
Default Unit
Seconds
Front Panel Access
Shift‑3 (Sweep), Sweep Mode
Sweep Status
[:SENSe]:SWEep:STATus?
Description
Returns 1 when the sweep is complete. Returns 0 when the sweep is in progress.
Syntax:
[:SENSe]:SWEep:STATus?
Front Panel Access
None
Minimum Sweep Time
[:SENSe]:SWEep:TIME[:LLIMit]
Description
Sets the value of the minimum sweep time parameter. The sweep is completed in the shortest time possible. To sweep as fast as possible, enter the minimum value that is allowed for the sweep time.
Syntax:
[:SENSe]:SWEep:TIME[:LLIMit]
[:SENSe]:SWEep:TIME[:LLIMit]?
Range
10 μs to 600000000 μs
Default Value
1 ms
Default Unit
Seconds
Front Panel Access
Shift‑3 (Sweep), Sweep Time
 
Actual Sweep Time
[:SENSe]:SWEep:TIME:ACTual?
Description
Returns the actual sweep time in seconds as opposed to the specified sweep time.
Syntax:
[:SENSe]:SWEep:TIME[:LLIMit]?
Cmd Parameter
NA (query only)
Query Response
(seconds)
Front Panel Access
Shift‑3 (Sweep), Sweep Time
 
Auto Sweep Time
Description
Toggles Auto Sweep Time.
Syntax:
[:SENSe]:SWEep:TIME:AUTO ON|OFF|1|0
[:SENSe]:SWEep:TIME:AUTO?
Cmd Parameter
ON|OFF|1|0
Front Panel Access
Shift‑3 (Sweep), Auto Sweep Time
 
Trace Count
[:SENSe]:SWEep:TRACe?
Description
Returns a string with two integers representing the current trace’s average count and the total number of trace averages.
Front Panel Access
None