Garmin G3X Pilot's Manual page 366

AFCS
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.
Or: Press or the NAV Key on the GMC 305
6) Adjust the aircraft's pitch axis as required.
VOR APPROACH
A VOR approach is flown using VOR Mode.
Selecting a VOR Approach:
1) EXTERNAL NAVIGATOR: Tune and activate the desired VOR frequency.
GTN or GNS series unit is not configured skip to Step 3.
2) EXTERNAL NAVIGATOR (GTN or GNS series units only): Ensure the 'VLOC'
indication is showing in the lower-left corner of the
Key.
3) G3X: Ensure that VOR1 or VOR2 is the selected navigation source (use
the CDI SRC Softkey on the PFD or PFD Page to cycle through external
navigation sources if necessary). It should say 'VOR1' or 'VOR2' on the HSI
and the needle should be green.
4) G3X: From the PFD or PFD Page, press the VOR CRS Softkey (
XPDR/CRS > VOR CRS if a transponder is configured) and turn the FMS
Joystick to select the inbound approach course (radial).
344
. If not, press the CDI Key.
Garmin G3X Pilot's Guide
. If not, press the CDI
or press
190-01115-00 Rev. K
If a