Return Format
The query returns the FM frequency offset.
Example
:RF2:FM:DEV 20kHz /*Sets the FM frequency offset of CH2 to 20kHz*/
:RF2:FM:DEV? /*The query returns 20000.*/
3.1.7.2
[:SOURce][:RF]:FM:FREQuency
Syntax
[:SOURce][:RF
<
channel>
]:FM:FREQuency
<
freq>[<unit>]
[:SOURce][:RF
<
channel>
]:FM:FREQuency?
Description
Sets the FM modulation frequency of the specified channel.
Queries the FM modulation frequency of the specified channel.
Parameter
Name
Type
Range
Default
<channel>
Discrete
1|2|3|4|5|6|7|8
1
<freq>
Real
0.1 Hz to 1 MHz
10 kHz
<unit>
Discrete
Hz|kHz|MHz|GHz
Hz
Remarks
•
When <freq> is set in "Number" form, the default unit is Hz. For example,
20000. Besides, <freq> can can also be set in " Unit" form, For
example, 20kHz.
•
The default unit of the return value is Hz.
•
When the FM modulation source is set to "Ext", this command is invalid.
Return Format
The query returns the FM modulation frequency.
Example
:RF2:FM:FREQ 20kHz /*Sets the FM modulation frequency of CH2 to
20kHz.*/
:RF2:FM:FREQ? /*The query returns 20000.*/
Command System
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