Garmin G3X Touch
™
Pilot’s Guide for Certified Aircraft
190-02472-00 Rev. D
32
System Overview
System
Overview
Flight
InstrumentsEIS
CNS
Interface
GPS
Navigation
Flight
Planning
Hazard
Avoidance
Additional
FeaturesAFCSAnnun/AlertsAppendixIndex
SATELLITE INFORMATION
Satellites currently in view are shown at their respective positions on a satellite
constellation diagram. The outer circle of the constellation diagram represents the
horizon, the inner circle represents 45° above the horizon, and the center point shows
the position directly overhead. Each satellite is represented by a square containing the
Pseudo-Random Noise (PRN) number (i.e., satellite identification number).
The Info Page can be helpful in troubleshooting weak (or missing) signal levels
due to poor satellite coverage or installation problems. As the GPS receiver locks
onto satellites, a signal strength bar is displayed for each satellite in view, with the
appropriate satellite PRN number (01-32 or 33-64 for WAAS) below each bar. The
progress of satellite acquisition is shown in three stages, as indicated by signal bar
appearance:
- No bar—Receiver is looking for the indicated satellite
- Gray bar—Receiver has collected the necessary data and the satellite signal can
be used
- Green bar—Satellite is being used for the GPS solution
POSITION
The Position box on the Info Page displays latitude, longitude, accuracy (in feet),
reference waypoint, type, distance, direction, and bearing. The current position
can be marked as a user waypoint by touching the latitude and longitude button.
The reference waypoint is designed to display the current position in relation to a
prominent landmark. The pilot can change the reference waypoint ‘Nearest Type’
using the ‘Change Nearest Type’ page menu option. By default the Nearest Type is
set to ‘Automatic’, which will display the nearest large airport, enroute VOR, or city (in
that order).
Changing the Nearest Type:
1)
From the Info Page, press the MENU Key.
2)
Touch Change Nearest Type.
3)
Touch Automatic, Airport, VOR, NDB, Intersection, City, or
Waypoint.
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