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I've installed two coms and I'm testing them in my garage. RV7 with two delta pop aviation antennas mounted on the belly. Dynon intercom. Harness built according to the manual. RG400 coax. When I transmit on com 1 it breaks the squelch on com 2. Different frequencies. Same vice versa. I have to...

Hello, So I have spent a considerable amount of time staring at electrical drawings for the SV-interom-2S to SV-Com-425 and still remain confused about the grounding. I guess my first question is will pin 1 on the intercom ultimately be terminated at my firewall ground block? It appears that...

I'm curious what others with two coms have done for switching between the two. I plan on using tosten military grips and just asked him if he offers a spdt switch to control the ptt between the two. His website shows a momentary switch. Do you turn down the volume on the other com you are not...

Hello, I’m getting setup wiring and have come up with some questions. I’m building an RV7. VPX Sport 2 – Dynon SV-D1000T 1 – Battery Backup 1 – Adahrs mounted aft of baggage area on shelf 1 – Engine Module 2 – Dynon Comm Radios 1 – Dynon Intercom 1 – Dynon Trasnpoder mounted aft of baggage area...