Instructions

Chapter 3 Command System for EMI Mode RIGOL
RSA3000E Programming Guide 3-71
[: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 - 10 Hz)
midspan 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?
[:SENSe]:FREQuency:STARt:AUTO
Syntax
[:SENSe]:FREQuency:STARt:AUTO ON|OFF|1|0
[:SENSe]:FREQuency:STARt:AUTO?
Description
Enables or disables the auto coupling mode of start frequency.
Queries the status of the auto coupling mode of start frequency.
Parameter
Name
Type
Range
Default
--
Bool
OFF|ON|0|1
ON|1
Return Format
The query returns 0 or 1.
Example
The following command enables the auto coupling mode of start frequency.
:SENSe:FREQuency:STARt:AUTO ON or :SENSe:FREQuency:STARt:AUTO 1
The following query returns 1.
:SENSe:FREQuency:STARt:AUTO?