GMA 350 Audio Panel
MARKER BEACON RECEIVER
The marker beacon receiver detects any marker beacon signal within the reception range of the aircraft.
When a marker beacon signal is detected, the lamps illuminate, and an associated
Marker Beacon Key & Lamps
The marker beacon signal sensitivity threshold can be set to High, Low, or User Selectable (toggle switch required).
The receiver detects the three marker tones (outer, middle, and inner).
Audio | Audio Keying | Lamp Actuated | |
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400 Hz | − − − − − | Blue | |
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(Outer) |
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1300 Hz | −−−−− | Amber | |
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(Middle) |
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3000 Hz | | White | |
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(Inner) |
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The GMA 350 provides three states of marker beacon operation; On, Muted, and Deselected. The MKR/MUTE key annunciator indicates when marker beacon audio is selected. Marker beacon audio is not heard when the annunciator is off or when the annunciator is on with the marker beacon audio muted.
| Garmin GMA 350 Pilot’s Guide | 11 |
