Instructions

Chapter 4 Command System for VSA Mode RIGOL
RSA3000E Programming Guide 4-55
The following query returns 1.000000000e+05.
: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 3.125000000e+06.
: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 1.000000000e+08.
:SENSe:FREQuency:STARt?