In reviewing the skyview install manual the pinout connections for the 300XL do not make sense and seem to be lacking. The pinout connections appear to only allow communication in one direction - from the 300XL to the SV-ARINC 429 module. It appears there is no communication back. For a certified A1 install the 300XL requires pressure altitude input and also a manual course input. The 300XL install manual indicates pressure altitude input can be done via altitude data digitizer (is this a serial input) and the manual course input can be from an EFIS ARINC 429 bus (Im thinking via the SV-ARINC 429 device TX function). If anyone has connected these devices up to achieve A1 I sure could use a pinout. I'm thinking I can just hook up the SV-ARINC 429 device TX A&B to the appropriate pins 32 and 33 on the 300XL to get the course information and maybe pin 17 to one of skyviews serial ports. I know about the annunciator that is required etc. Any help here will be most appreciated.
