Radio Panels have 7 operating modes (COM1, COM2, NAV1, NAV2, ADF, DME and XPDR).Each operating mode is independent regarding the panel and the row of the panel. You can use many panels, each panel row is independent and works by itself.
Click the Setup button to popup the configuration window.
Please, pay attention!
If you are using more than one Radio Panel each single panel has its own configuration. Settings applied to a specific panel are valid only for that panel.
Read in the articles how to set up the different COM-NAV-ADF-DME-XPDR configurations.