Garmin G3X Pilot's Manual page 304

Integrated Autopilot
Example Control
LNAV
VOR
AP NAV
LOC
Softkey
BC
GPS APPROACH WITHOUT VERTICAL GUIDANCE
A GPS approach without vertical guidance (LNAV) is flown using GPS NAV Mode.
Selecting a GPS Approach without vertical guidance:
1) EXTERNAL NAVIGATOR: Ensure a GPS approach without vertical guidance
(LNAV) is loaded into the active flight plan.
2) EXTERNAL NAVIGATOR: Ensure the 'GPS' indication is showing in the
lower-left corner
3) G3X: Ensure that GPS1 is the selected navigation source on the PFD or
PFD Page (use the CDI SRC Softkey to cycle through external navigation
sources if necessary).
4) EXTERNAL NAVIGATOR: Select and activate the GPS approach using the
PROC Key.
5) G3X: From the PFD or PFD Page, press the HDG/ROLL Softkey to access
the autopilot lateral modes and then press the AP NAV Softkey to activate
GPS Mode.
6) Adjust the aircraft's pitch axis as required.
286
Lateral Mode
Approach, GPS
VOR Approach
Capture/Track
LOC Capture/Track
(No Glideslope)
Backcourse
Capture/Track
Approaches without Vertical Guidance
Navigation Softkeys
. If not, press the CDI Key.
Garmin G3X Pilot's Guide
Annunciation
GPS
Captures and tracks
VOR
the selected navigation
source (GPS, VOR, LOC)
LOC
Captures and tracks
BC a localizer signal for
backcourse approaches
Description
190-01115-00 Rev. G