Garmin G3X Pilot's Manual page 290

Additional Features
D
eparture anD
Prior to intercepting an active flight plan leg, pathways are displayed as a series of
boxes with pointers at each corner that point in the direction of the active waypoint.
Pathways are not displayed for the first leg of the flight plan if that segment is a
Heading-to-Altitude leg. The first segment displaying pathways is the first active GPS
leg or active leg with a GPS overlay. If this leg of the flight plan route is outside the
SVX field of view, pathways will not be visible until the aircraft has turned toward
this leg. While approaching the center of the active leg and prescribed altitude, the
number of pathway boxes decreases to a minimum of four.
Pathways are displayed along the flight plan route at the selected altitude for the
leg. Climb profiles cannot be displayed due to the variables associated with aircraft
performance. Flight plan legs requiring a climb are indicated by pathways displayed at
a level above the aircraft at the altitude selected.
D
eSCent anD
NOTE: During the final segment of an ILS or WAAS GPS approach, the path-
ways boxes automatically adjust to correspond with the localizer/glideslope
(ILS) or horizontal/vertical (GPS) deviation signals received from the external
navigator.
When an approach providing vertical guidance is activated, Pathways are shown
level at the selected altitude. Pathways are shown level at the selected altitude up to
the point along the final approach course where the altitude intercepts the extended
vertical descent path or glideslope. From the vertical path descent or glideslope
intercept point, the pathways are shown inbound to the Missed Approach Point (MAP)
along the published lateral and vertical descent path.
During an ILS approach, the initial approach segment is displayed in magenta at
the segment altitudes if GPS is selected as the navigation source on the CDI. When
switching to the localizer inbound with LOC selected as the navigation source on the
CDI, pathways are displayed in green along the localizer and glideslope.
If GPS is the selected navigation source on the HSI, the pathways boxes are magenta.
If LOC is the selected navigation source on the HSI, the pathways boxes are green for
the ILS. Pathways boxes are not displayed for segments such as heading legs or VOR
radials.
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Garmin G3X Pilot's Guide 190-01115-00 Rev. K