Aeroflex 3412 - Page 262

REMOTE OPERATION AM COMMANDS
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[SOURce][:MODulation]:AM[1]|2:EXTernal:COUPling
Description: Selects AC or DC coupling for the external source.
Parameters: <CPD>
Valid values: AC | DC
*RST sets: AC
[SOURce][:MODulation]:AM[1]|2:EXTernal:COUPling?
Description: Queries whether the external source is AC- or DC-coupled.
Parameters: None
Response: <CRD>
Returned values: AC | DC
[SOURce][:MODulation]:AM[1]|2:EXTernal:IMPedance
Description: Selects the impedance of the external source input — 50 Ω or 100 kΩ.
Parameters: <CPD>
Valid values: Z50 | K100
*RST sets: Z50 (in SCPI mode) or K100 (in 202x emulation).
[SOURce][:MODulation]:AM[1]|2:EXTernal:IMPedance?
Description: Queries the impedance of the external source input.
Parameters: None
Response: <CRD>
Returned values: Z50 | K100