Garmin G1000 NXi Pilot’s Guide for the Cessna NAV III
190-02177-02 Rev. A
58
FLIGHT INSTRUMENTS
SY
STEM
O
VER
VIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO P
ANEL
& CNS
FLIGHT
MANA
GEMENT
HAZARD
AV
OID
ANCE
AFCS
ADDITIONAL FEA
TURES
APPENDICES
INDEX
Figure 2-23 Navigation Sources
Changing navigation sources:
1)
Press the
CDI
Softkey to change from GPS to VOR1 or LOC1. This places the cyan tuning box over the NAV1
standby frequency in the upper left corner of the PFD.
2)
Press the
CDI
Softkey again to change from VOR1 or LOC1 to VOR2 or LOC2. This places the cyan tuning box
over the NAV2 standby frequency.
3)
Press the
CDI
Softkey a third time to return to GPS.
Figure 2-24 Selecting a Navigation Source
Pressing the
CDI
Softkey
Cycles through
Navigation Sources
GPS
Selected
NAV1 Selected for Tuning
LOC1
Selected
NAV2 Selected for Tuning
VOR2
Selected
The system automatically changes from GPS to LOC navigation source and changes the CDI scaling accordingly
when all of the following occur:
-
A localizer or ILS approach has been loaded into the active flight plan
-
The final approach fix (FAF) is the active leg, the FAF is less than 15 nm away, and the aircraft is moving
toward the FAF
-
A valid localizer frequency has been tuned
-
The GPS CDI deviation is less than 1.2 times full-scale deflection