190-00498-07 Rev. A
Garmin G1000 Pilot’s Guide for Cessna Nav III
109
AUDIO PANEL AND CNS
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS EIS AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE AFCS ADDITIONAL
FEATURES APPENDICES INDEX
4.3 NAV OPERATION
NAV RADIO SELECTION AND ACTIVATION
TheNAVFrequencyBox iscomposedof fourelds;two standby fields and two active fields. The active
frequencies are on the right side and the standby frequencies are on the left.
A NAV radio is selected for navigation by pressing the
CDI
Softkeylocated onthePFD. Theactive NAV
frequency selected for navigation is displayed in green. Pressing the
CDI
Softkeyonce selectsNAV1asthe
navigation radio. Pressing the
CDI
Softkeyasecondtimeselects NAV2asthenavigationradio.Pressingthe
CDI
Softkey a third time activates GPS mode. Pressing the
CDI
SoftkeyagaincyclesbacktoNAV1.
While cycling through the
CDI
Softkeyselections,theNAVTuningBoxandtheFrequencyTransferArroware
placedintheactiveNAVFrequencyFieldandtheactiveNAVfrequencycolorchangestogreen.
The three navigation modes that can be cycled through are:
•VOR1(orLOC1)–IfNAV1isselected,agreen single line arrow (not shown) labeled either VOR1orLOC1
isdisplayedontheHSIandtheactiveNAV1frequencyisdisplayedingreen.
•VOR2(orLOC2)–IfNAV2isselected,a green double line arrow (shown) labeled either VOR2orLOC2is
displayedontheHSIandtheactiveNAV2frequencyisdisplayedingreen.
•GPS–IfGPSModeisselected,amagenta single line arrow (not shown) appears on the HSI and neither NAV
radioisselected.BothactiveNAVfrequenciesarethendisplayedinwhite.
Figure 4-17 Selecting a NAV Radio for Navigation
Active
Fields
Standby
Fields
Tuning Box
The NAV Radio is
Selected by Pressing
the
CDI
Softkey
SeetheFlightInstrumentsSectionforselectingtheDMEand BearingInformationwindowsandusingVOR
orADFasthesourceforthebearingpointer.