User manual

RIGOL Chapter 2 Command System
2-142 RSA3000 Programming Guide
[:SENSe]:FREQuency:SPAN:ZERO
Syntax
[:SENSe]:FREQuency:SPAN:ZERO
Description
Sets the span to 0 (zero span).
Remarks
This command is only available for GPSA mode.
[:SENSe]:FREQuency:STARt
Syntax
[:SENSe]:FREQuency:STARt <freq>
[:SENSe]:FREQuency:STARt?
Description
Sets the start frequency.
Queries the start frequency.
Parameter
Name
Type
Range
[1]
Default
<freq>
Consecutive Real
Number
GPSA mode
0 Hz to Fmax (zero span)
0 Hz to (Fmax - 100 Hz)
(non-zero span)
[1]
center
frequency-span/2
RTSA mode
0 Hz to (Fmax - 5 kHz)
Note
[1]
: In non-zero span, if the option RSA3030-BW1 is installed, the available range is from 0 Hz to (Fmax-10 Hz).
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?