Garmin G1000H Marine Radio User Manual


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190-01255-00 Rev. B
Garmin G1000H
™
Pilot’s Guide for the Bell 407GX
93
AUDIO PANEL AND CNS
SECTION 4 AUDIO PANEL AND CNS
4.1 OVERVIEW
The Communication/Navigation/Surveillance (CNS) system includes the Audio Panel, communication radios,
navigation radios, and Mode S transponder. The System Overview Section provides a block diagram description
of the Audio Panel and CNS system interconnection.
CNS operation in the Bell 407 is performed by the following Line Replaceable Units (LRUs):
•PrimaryFlightDisplay(PFD)
•MultiFunctionDisplay(MFD)
•IntegratedAvionicsUnit(2)
•AudioPanel
•ModeSTransponder
TheMFD/PFDcontrolsareusedtotunethecommunicationtransceiversandnavigationradios.
The Audio Panel provides the traditional audio selector functions of microphone and receiver audio selection.
TheAudioPanelincludesanintercomsystem(ICS)betweenthepilot,copilot,andpassengers,amarkerbeacon
receiver, and a COM clearance recorder.
The Mode S transponder is controlled with softkeys and the FMSKnoblocatedonthePrimaryFlightDisplay
(PFD).TheTransponderDataBoxislocatedtotheleftoftheSystemTimeBox.Thedataboxdisplaystheactive
four-digitcode,mode,andreplystatus(Figure4-1).
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