Garmin G3X Pilots Guide - Page 289

Integrated Autopilot System Overview Flight Instruments EIS CNS Interface GPS Navigation Flight Planning Hazard Avoidance Navigation Softkeys 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. If not, press the CDI Key. 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. VOR APPROACH A VOR approach is flown using VOR Mode. Selecting a VOR Approach: 1) EXTERNAL NAVIGATOR: Tune and activate the desired VOR frequency. If a 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. If not, press the CDI 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. 190-01115-00 Rev. F Garmin G3X Pilot's Guide 271 Additional Features Integrated Autopilot Annun/Alerts Appendix Index