GRT Avionics

The solution was inline RF filter purchased from L-Com that is a 25 pin male female interface that fits between the AHRS on the floor behind the pilot seat beneath the baggage compartment. I placed it between the cable in and the AHRS unit itself. Instant solution. PTT causes now only interference w...

Bob,

Sent you a PM regarding steps we have taken so far without resolution of issue. Looking for other ideas.

Scott

Bob.
Thanks for the prompt reply. That all makes sense. Wilco.

Scott

I have an Arion Lightning I purchased recently with GRT HRx PFD and autopilot installed in 2013 at Arion Factory. Each time I push the PTT on either control stick, the altitude readout jumps into a wild descent, then a climb. I am also getting quite a bit of static on the COM with squelch off especi...