AIRCRAFT
SA160
AIRCRAFTA I R C R A F T
Symphony
TEST
10 of 11
Feb 25, 2005
SECTION 9
SUPPLEMENT 3
Annunciator Test Button
Locking Screw Access
Photocel-Automatic Annunciator Dimming
7.4 ICS MODES
(a) PILOT mode isolates the pilot from everyone else and dedicates the
aircraft radios to the pilot exclusively. The copilot and passengers
share communication between themselves but cannot communicate
withthepilotorheartheaircraftradios.
(b) CREW mode places the pilot and copilot on a common ICS
communicationchannel.
(c) ALL mode allows full intercom communication between everyone
pluggedintotheGMA340. Aircraft radios are heard by all.
(d) MUSIC 1 and MUSIC 2 stereo entertainment inputs are affected by
theintercommodeselected.
7.5 MARKER BEACON RECEIVER
The marker beacon audio level is aligned at the factory to produce its
rated audio output. However, the output level is adjustable by your
avionicsinstallingagency.
The GMA 340's marker beacon receiver controls are located on the left
side of the front panel. The SENS button selects either high or low
sensitivity as indicated by the HI or LO LED being lit. Low sensitivity is
used on ILS approaches while high sensitivity allows operation over
airway markers or to get an earlier indication of nearing the outer marker
duringanapproach.
SENS
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