Specifies the attenuation of a switch (or cable) connected to the RF IN connector of the signal analyzer. On a MIMO session, use port::(deviceName)/(channelNumber) as a selector string to configure external attenuation for each port.
On a MIMO session, use port::(deviceName)/(channelNumber) as a selector string to configure or read this property per port. If you do not specify port string, this method is configured for all ports. Refer to the Selector Strings topic for information about the string syntax for named signals.

Syntax

Namespace: NationalInstruments.RFmx.WlanMX

public int ConfigureExternalAttenuation(string selectorString, double externalAttenuation)

Parameters

NameTypeDescription
selectorStringstring

Specifies a selector string comprising of port string. Example:
""
""
"port::myrfsa1/0"
You can use the BuildResultString(string) method to build the selector string. On a MIMO session, you can use the RFmxInstr_BuildPortString method to build the selector string.

externalAttenuationdouble

Specifies the attenuation of a switch (or cable) connected to the RF IN connector of the signal analyzer. This value is expressed in dB. For more information about attenuation, refer to the Attenuation and Signal Levels topic for your device in the NI RF Vector Signal Analyzers Help .

Returns

Returns the status code of this method. The status code either indicates success or describes a warning condition.