
190-01134-14 Rev. L
Garmin GMA 350H/350Hc Pilot’s Guide
16
GMA 350H/350Hc Audio Panel
MARKER BEACON RECEIVER
The marker beacon receiver detects any marker beacon signal within
the reception range of the aircraft.
The GMA 350H/350Hc has the ability to drive optional external
marker lamps. Marker beacon lamps operate independently of any audio
selection and cannot be turned off.
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 Frequency
Audio Keying
Lamp Actuated
(optional)
400 Hz (Outer)
− − − − −
Blue
1300 Hz (Middle)
−
−
−
−
−
Amber
3000 Hz (Inner)
White
The GMA 350H/350Hc 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.
T
urning
M
arker
B
eacon
a
udio
o
n
With the MKR/MUTE annunciator off, press the
MKR/MUTE
Key to
enable marker beacon audio.
Содержание GMA 350H
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