serial output

I have a Garmin GTX 328 where altitude encoding comes from Skyview. That works just fine. But is it possible to "remote control" the transponder from the Skyview and also see the transponder status in the top of the screen - or is this only possible with Skyview transponder ? the connection...

In chapter 25 of the installation manual, the serial port output format is indicated. In the ADAHRS, fields 28 and 60 output Pressure Altitude and Density Altitude, respectively. I request that GPS Altitude and AGL also be two of the output fields. We know that the Skyview system KNOWS both GPS...