Garmin G3X Touch Pilot's Manual page 353

• The localizer signal is lost
If the Glideslope signal is lost , GS Mode will revert to Pitch Hold Mode and hold the
last pitch attitude.
COUPLED ILS APPROACH WITH PROCEDURE TURN
NOTE: Configuration of a combination GPS/VLOC external navigator (GPS
175, GNX ™
The combination GPS/VLOC external navigator (GPS 175, GNX 375, GTN, or GNS),
G3X Touch, and autopilot can be used to fly a full ILS approach with procedure turn,
from the enroute environment to the missed approach point.
Setting up a coupled ILS approach:
1) EXTERNAL NAVIGATOR: Ensure the 'GPS' indication is showing in the
lower-left corner
2) G3X Touch: Ensure that GPS1 is the selected navigation source on the PFD.
3) EXTERNAL NAVIGATOR: Select and activate the ILS approach using the
PROC Key.
4) G3X Touch: From the PFD touch the autopilot and touch NAV to activate
GPS Mode. The flight director should start navigating to the IAF (Initial
Approach Fix).
Or:
NAV Key on the GMC control unit.
Press the
5) EXTERNAL NAVIGATOR: Tune and identify the localizer frequency by
pressing the VLOC Flip-flop Key. (Note: The external navigator should have
automatically loaded the localizer frequency into the standby VLOC slot.)
6) G3X Touch: From the PFD touch the autopilot and touch APPR to arm LOC
and GS modes. Touch ALT.
Or:
APR Key on the GMC control unit.
Press the
GPS Mode is now active and LOC Mode is armed in the roll axis. ALT Mode
is active and GS is armed in the pitch axis. The flight director should now
navigate the entire approach from the IAF (Initial Approach Fix) to the MAP
(Missed Approach Point) with the only adjustment being the throttle.
190-02472-00 Rev. D
375, GTN, or GNS) is required for a coupled ILS approach.
. If not, use the CDI Key.
Garmin G3X Touch ™ Pilot's Guide for Certified Aircraft
AFCS
331