My GTN 750xi does not have a CDI Key that toggles between Navigation Sources. I have two GI-275's and can click CDI key on the GI275 HSI but the GPS remains in GPS Mode.
My paper install manual filled out by installer has check mark on CDI Key enabled.
Most videos I see seem to have them on and working changing annunicator to VLOC in green on GPS.
Wondering if anyone understands how that works?
Thanks