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Chapter 2 Command System RIGOL
DSA800 Programming Guide 2-119
[:SENSe]:DEMod
Syntax
[:SENSe]:DEMod AM|FM|OFF
[:SENSe]:DEMod?
Description
Set the demodulation type or disable the demodulation.
Query the demodulation type.
Parameter
Name
Type
Range
Default
-- Keyword AM|FM|OFF OFF
Explanation
AM: amplitude modulation
FM: frequency modulation
OFF: off
When AM or FM is selected, the spectrum analyzer enables the demodulation function automatically. At this
point, the [:SENSe]:DEMod:STATe
? command returns 1.
When OFF is selected (equivalent to the
[:SENSe]:DEMod:STATe OFF|0 command), the spectrum analyzer
disables the demodulation function. At this point, the command
[:SENSe]:DEMod:STATe? returns 0.
Return Format
The query returns AM, FM or OFF.
Example
The command below sets the demodulation type to AM.
:SENSe:DEMod AM
The query below returns AM.
:SENSe:DEMod?
[:SENSe]:DEMod:GAIN:AUTO
Syntax
[:SENSe]:DEMod:GAIN:AUTO OFF|ON|0|1
[:SENSe]:DEMod:GAIN:AUTO?
Description
Enable or disable the auto setting mode of the signal gain.
Query the status of the auto setting mode of the signal gain.
Parameter
Name
Type
Range
Default
--
Bool
OFF|ON|0|1
ON|1
Explanation
When the demodulation function is enabled (namely AM or FM is selected), this command is valid.
Return Format
The query returns 0 or 1.
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