**The Following Interface Information is "FOR REFERENCE USE ONLY" and is not FAA Approved Data. Please see the applicable STC Installation manuals, or other Approved documentation for installation approval.** In installations with dual IFDs, the #1 IFD is the "master" and the #2 IFD is the "slave," though data is sha...
On the Synchro Valid input R1 and R2 must be installed or the EX500/600 will sustain damage. If the unit is receiving HDG data, but the HDG is jumping all over the place check: 400Hz output of the A/C supply Check reference Hi and Low compared to X,Y,Z inputs. The reference and signal input wave-forms must be identi...