Remote Control Commands > SOURce Subsystem > SOURce:ILS Subsystem > [:SOURce]:ILS[:GS|GSLope]:DDM:COUPling
[:SOURce]:ILS[:GS|GSLope]:DDM:COUPling <Coupling>
[:SOURce]:ILS:LOCalizer:DDM:COUPling <Coupling>

Selects if the DDM value is fixed or is changed with a change of sum of modulation depths (SDM, see [:SOURce]:ILS:LOCalizer:SDM).

Parameters:
<Coupling>
FIXed| SDM
*RST:FIXed
Example: ILS:DDM:COUP SDM

the absolute value of DDM changes with changes of the SDM value. The DDM value expressed in dB stays constant.

Options: Option R&S SMA-K25
Manual operation: See "DDM - SDM Coupling - ILS-LOC Modulation"

 


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