Garmin Diamond DA40 Pilot's Manual page 71

Integrated flight deck for da40 diamond star
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Changing navigation sources:
1) Press the CDI Softkey to change from GPS to VOR1 or LOC1. This places the light blue 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 light blue tuning
box over the NAV2 standby frequency.
3) Press the CDI Softkey a third time to return to GPS.
KAP 140 equipped aircraft only: Each time the CDI Softkey is pressed or the navigation source
NOTE:
changes, a message appears ("NAV Source Changed – Select Desired Autopilot Mode"), regardless of
whether or not the autopilot is engaged.
Pressing the CDI
Softkey Cycles through
Navigation Sources
The system automatically switches 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 waypoint, 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
GPS steering guidance is still provided after the CDI automatically switches to LOC until LOC capture, up
to the Final Approach Fix (FAF) for an ILS approach, or until GPS information becomes invalid. Activating
a Vector-to-Final (VTF; see the Flight Management Section) also causes the CDI to switch to LOC navigation
source; GPS steering guidance is not provided after this switch.
190-00592-06 Rev. A
NAV1 Selected for Tuning
and Navigating a VOR
GPS
Selected
Figure 2-23 Selecting a Navigation Source
Garmin G1000 Pilot's Guide for the Diamond DA40/40F
FLIGHT INSTRUMENTS
NAV2 Selected for Tuning
and Navigating an ILS
VOR1
Selected
LOC2
Selected
59

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