Connect artificial ear to analyzer input 1.
Connect left artificial ear to analyzer input 2.
Connect UPV unbalanced digital input to CBT SPDIF OUT.
Connect UPV unbalanced digital output to CBT SPDIF IN.
Make a suitable connection from the CBT RF output to the antenna input of the DUT. 
Settings of the CBT:
- Set the Bluetooth Connection COntrol to "A2DP (Sink) Profile" 
- In the Audio A2DP settings of the Network menu set "Channel Mode" to "Stereo". 
- In the AF/RF IN/OUT menu set "Connector Config" to "Digital Stereo Audio". 
- Establish a connection to the device unter test 
Insert earbuds into pinnas or place headphones on the HATS.
Set volume and all equalizer bands to maximum.
Start the measurement.