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Example
:FM:EXT:COUP AC /*Sets the FM external coupling mode to AC.*/
:FM:EXT:COUP? /*The query returns AC.*/
3.1.7.7
[:SOURce]:FM:EXT:IMP
Syntax
[:SOURce]:FM:EXT:IMP
<
value>
[:SOURce]:FM:EXT:IMP?
Description
Sets the impedance of FM external modulation.
Queries the impedance of FM external modulation.
Parameter
Name
Type
Range
Default
<value>
Discrete
50|600|100k
100k
Remarks
•
50: sets the impedance of FM external modulation to "50Ω".
•
100k: sets the impedance of FM external modulation to "100kΩ".
•
600: sets the impedance of FM external modulation to "600Ω".
•
When the modulation source of FM is set to "Int", this command is invalid. You
can send the
command to set or query the FM
modulation source.
Return Format
The query returns 50, 600, or 100k.
Example
:FM:EXT:IMP 600 /*Sets the impedance of the FM external
modulation to 600Ω.*/
:FM:EXT:IMP? /*The query returns 600.*/
Command System
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