Interfacing the CRJ MCDU #1 with Axis And Ohs under MSFS   This tutorial shows how to interface the MCDU buttons with any controller sending standard button signals. As long as your controller is recognized in the Windows joystick utility, you should be able to interface the MCDU with the Axis And Ohs scripts here attached.   This NOT a compatibility warranty or an official feature of the CRJ or MSFS. This is only sharing information, experience and ideas to build your