User manual

Chapter 2 Command System RIGOL
MSO7000/DS7000 Programming Guide 2-101
:MATH<n>:FFT:FREQuency:STARt
Syntax
:MATH<n>:FFT:FREQuency:STARt <value>
:MATH<n>:FFT:FREQuency:STARt?
Description
Sets or queries the start frequency of FFT operation results.
Parameter
Name
Type
Range
Default
<n>
Discrete
{1|2|3|4}
——
<value>
Real
-2.5 GHz to 2.5 GHz
0 Hz
Return
Format
The query returns the start frequency of the operation results in scientific notation.
Example
:MATH1:FFT:FREQuency:STARt 10000000 /*Sets the start frequency of the FFT
operation results to 10 MHz.*/
:MATH1:FFT:FREQuency:STARt? /*The query returns 1.000000E+7.*/
:MATH<n>:FFT:FREQuency:END
Syntax
:MATH<n>:FFT:FREQuency:END <value>
:MATH<n>:FFT:FREQuency:END?
Description
Sets or queries the stop frequency of FFT operation results.
Parameter
Name
Type
Range
Default
<n>
Discrete
{1|2|3|4}
——
<value>
Real
-2.5 GHz to 2.5 GHz
10 MHz
Return
Format
The query returns the stop frequency of the operation results in scientific notation.
Example
:MATH1:FFT:FREQuency:END 10000000 /*Sets the stop frequency of the FFT
operation results to 10 MHz.*/
:MATH1:FFT:FREQuency:END? /*The query returns 1.000000E+7.*/
:MATH<n>:FFT:SEARch:ENABle
Syntax
:MATH<n>:FFT:SEARch:ENABle <bool>
:MATH<n>:FFT:SEARch:ENABle?
Description
Enables or disables the FFT peak search; or queries the on/off status of the FFT peak
search function.
Parameter
Name
Type
Range
Default
<n>
Discrete
{1|2|3|4}
——
<bool>
Bool
{{1|ON}|{0|OFF}}
0|OFF
Return
Format
The query returns 1 or 0.
Example
:MATH1:FFT:SEARch:ENABle ON /*Enables the FFT peak search.*/
:MATH1:FFT:SEARch:ENABle? /*The query returns 1.*/