Turning Marker Beacon Audio On; Muting Marker Beacon Audio; Deselecting Marker Beacon Audio; Intercom System (Ics) - Garmin GMA 345 Pilot's Manual

GMA 345 Audio Panel
T M
urning
With the MKR/MUTE annunciator off, press the MKR/MUTE Key
to activate marker beacon audio and illuminate the MKR/MUTE
annunciator.
M M
uTing
During marker beacon audio reception, press the MKR/MUTE Key
to mute the audio. The MKR/MUTE annunciator remains lit, but the
current marker tone is silenced. Audio muting deactivates automatically
and marker beacon audio is heard when the next marker beacon signal
is received.
d
eselecTing
To deselect marker beacon audio, press the MKR/MUTE Key twice
during marker beacon reception or once if a marker beacon signal is
not detected.

INTERCOM SYSTEM (ICS)

The GMA 345 includes a three-position intercom system (ICS), two
MUSIC inputs, and one telephone/entertainment input for the pilot, copilot
and passengers. The intercom provides Pilot and Crew audio isolation.
The PILOT and CREW ICS ISOLATION states are exclusive. Both
NOTE:
cannot be active at the same time. When neither Pilot or Crew are
active, the unit is in All ICS mode. In this mode, the pilot, copilot, and
passengers communicate with each other.
16
B
arker eacon
B a
arker eacon
M B
arker eacon
Intercom Controls
Garmin GMA 345 Pilot's Guide
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190-01878-01 Rev. A