Select your product to confirm this information applies to you
How do I control the GMA 35?
The GMA 35 is interfaced to a Garmin GTN 725(Xi) or 750(Xi). The Garmin GTN 725(Xi) or 750(Xi) will act as the control head for the GMA 35. All inputs for the GMA 35 will be entered by using the Audio Panel page on the GTN.