GPS Annunciator Control Unit question
Bonanza Professional
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The Approach button does not do anything when pressed. The GPS/Nav switches modes without any problems, but the Appr does not do anything. I have used the test button, they all light up. I have to select approach from the autopilot itself, and after selecting it, nothing shows up on the GPS annunciator panel. When I select VLOC, the GPS/Nav will switch to Nav.
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I just landed using an ILS approach and the approach button worked just fine. I have the GTN750 installed. Which avionics you have installed?
