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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 3-COM 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.
The left/right seat positions associated with 'Pilot' and 'Copilot'
NOTE:
are configured during installation for the aircraft's specific needs.
P
i
iloT
solaTe
Pressing the PILOT 'ICS ISOLATION' Key isolates the pilot from all
other ICS positions (copilot and passengers). The copilot and passengers
share communication between themselves but cannot communicate
with the pilot. A solid annunciation of the in-key annunciator indicates
PILOT ICS ISOLATION is active.
190-01878-05 Rev. A
M
B
arker
eacon
Intercom Controls
M
ode
Garmin GMA 345 3-COM Pilot's Guide
GMA 345 3-COM Audio Panel
a
udio
17
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