GPS Annunciator Control Unit question
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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?
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Here is what I am doing----I load up my flight, take off, get up and going, engage the AP, get up to desired altitude, fly to the final waypoint, get lined up, switch AP to NAV (I use either the KFC 150 button or the GPS annunciator), then I press GPS Apr mode on the GPS annunciator, which does not work. So, I use the KFC 150 which shows APR on the display, but not on the GPS annunicator. I then land.
