RIGOL
VSA Programming Guide
2-59
Parameter
Name
Type
Range
Default
<freq> Consecutive Real Number
-Fmax to Fmax
Span/10
Return Format
The query returns the center frequency step in scientific notation. The unit is Hz.
Example
The following command sets the CF step to 100 kHz.
:SENSe:FREQuency:CENTer:STEP:INCRement 100000
The following query returns 1.00005.
:SENSe:FREQuency:CENTer:STEP:INCRement?
[:SENSe]:FREQuency:SPAN?
Syntax
[:SENSe]:FREQuency:SPAN?
Description
Queries the frequency span of the current channel.
Return Format
The query returns the span in scientific notation. The unit is Hz.
Example
The following query returns 3.12506.
:SENSe:FREQuency:SPAN?
[:SENSe]:FREQuency:STARt
Syntax
[:SENSe]:FREQuency:STARt <freq>
[:SENSe]:FREQuency:STARt?
Description
Sets the start frequency.
Queries the start frequency.
Parameter
Name
Type
Range
Default
<freq> Consecutive Real Number 0 Hz to (Fmax – 3.125 kHz) center frequency - span/2
Return Format
The query returns the start frequency in scientific notation. The unit is Hz.
Example
The following command sets the start frequency to 100 MHz.
:SENSe:FREQuency:STARt 100000000
The following query returns 1.00008.
:SENSe:FREQuency:STARt?