1. HDX1100 Audio Out (Pins 13, 31, and 30). Where do they connect to the Com 2 inputs to the GMA245? 2. SV-COM-T25 Phones and Mic connections (Pins 1, 2, 23, 15, and 9). Where do they connect to the GMA245? 3. Alert audio: continuing audio alert for a disconnected/malfunctioning EGT probe for instance. Might I route any of the alerts through the GMA245 so I can turn the audio off/down?