How to interface CRJ550/700 L-Vars with AxisAndOhs ?   Due to its complexity and Flight Simulator internal mechanism, some functions, buttons, knobs, etc. are not assignable directly in Flight Simulator. However, most of them are with the L-Vars. The L-Vars are the Local Variables used in the core of the addon programming.   To get access to these variables, several third-party utilities are available. Among them are Spad.Next and AxisAndOhs.     Uti