RIGOL DSG3000 Series - Manual (Page 44)

RIGOL Chapter 2 Command System
2-24 DSG3000 Programming Guide
[:SOURce]:FM:SOURce
Syntax [:SOURce]:FM:SOURce EXTernal|INTernal|INTernal,EXTernal
[:SOURce]:FM:SOURce?
Description Select the FM modulation source.
Query the FM modulation source.
Parameter Name Type Range Default
EXTernal|INTernal|
INTernal,EXTernal
Discrete EXTernal|INTernal|INTernal,EXTernal INTernal
Explanation  EXTernal: select "Ext" modulation source. At this point, the external
modulating signal is input from the [EXT MOD INPUT] connector.
 INTernal: select "Int" modulation source. At this point, the instrument provides
the modulating signal and you can set the modulation frequency and
modulation waveform of the modulating signal. In addition, when the FM and
MOD switches are both enabled, you can set the amplitude of the modulating
signal via the [:SOURce]:LFOutput:LEVel command.
 INTernal,EXTernal: select "Int + Ext" modulation source. At this point, you can
operate both the internal and external modulating sources.
Return Format The query returns the type of FM modulation source. For example, INT.
Example :FM:SOUR INT
:FM:SOUR?
Related
Commands
[:SOURce]:FM:FREQuency
[:SOURce]:FM:WAVEform
[:SOURce]:LFOutput:LEVel
[:SOURce]:FM:STATe
Syntax [:SOURce]:FM:STATe ON|OFF|1|0
[:SOURce]:FM:STATe?
Description Set the FM switch state.
Query the FM switch state.
Parameter Name Type Range Default
ON|OFF|1|0 Bool ON|OFF|1|0 OFF
Explanation  ON: turn on the FM switch and enable the FM function.
 OFF: turn off the FM switch and disable the FM function.
Return Format The query returns 1 or 0.
Example :FM:STAT ON /* Turn on the FM switch */
:FM:STAT? /*The query returns 1*/