| Read-only | About Gain Compression | 
| Description | Read the VNA port number which is connected to the DUT Output. Use SetPortMap Method to change the port mapping. | 
| VB Syntax | obj.DeviceOutputPort | 
| Variable | (Type) - Description | 
| obj | A Converter (object) or A GainCompression (object) or A SweptIMD (object) or An IMSpectrum (object) A NoiseFigure (object) | 
| Return Type | Integer | 
| Default | 2 | 
| Examples | outPort = gca.DeviceOutputPort 'Read | 
| C++ Syntax | HRESULT get_DeviceOutputPort(int* pVal) | 
| Interface | IGainCompression ISweptIMD IMSpectrum INoiseFigure6 IConverter6 |