Instructions

Chapter 2 Command Systems for GPSA and RTSA Modes RIGOL
RSA3000E Programming Guide 2-149
Parameter
Name
Type
Range
Default
<freq>
Consecutive Real
Number
GPSA mode
0 Hz to Fmax (zero span)
0 Hz to (Fmax - 10 Hz)
(non-zero span)
center
frequency-span/2
RTSA mode
0 Hz to (Fmax - 5 kHz)
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:STOP
Syntax
[:SENSe]:FREQuency:STOP <freq>
[:SENSe]:FREQuency:STOP?
Description
Sets the stop frequency.
Queries the stop frequency.
Parameter
Name
Type
Range
Default
<freq>
Consecutive Real
Number
GPSA mode
0 Hz to Fmax (zero span)
10 Hz to Fmax (non-zero
span)
center
frequency+span/2
RTSA mode
5 kHz to Fmax
Return Format
The query returns the stop frequency in scientific notation. The unit is Hz.
Example
The following command sets the stop frequency to 10 MHz.
:SENSe:FREQuency:STOP 10000000
The following query returns 1.000000000e+07.
:SENSe:FREQuency:STOP?
[:SENSe]:FREQuency:TUNE:IMMediate
Syntax
[:SENSe]:FREQuency:TUNE:IMMediate
Description
Automatically searches for the signal within the full frequency range, and adjusts the frequency and
amplitude for optimal display effect of the signal.