It's possible to choose what digit to set with the inner knob but nothing happens when cycling the outer knob for changing the digit itself.

btw: outer knob works for other actions (COM setting, etc.).

 

using 350i v1.1 in P3D v3

Settings ADF by  proline tune...

Thanks to Bert, you can tune directly on the radio. Also, check how to turn on your standby ADI.

 

http://www.avsim.com/forums/topic/505917-c90-gtx-avionics-ils-adf-vor-flt-plan-entry-need-help/