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16-11190-01004-03 Rev. B
Garmin GTN 625/635/650 Pilot’s Guide
Foreword
Getting
Started
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Music
Utilities
System
Messages
Symbols
Appendix
Index
Message Description Action
MAGNETIC
VARIATION -
Aircraft in area
with large mag var.
Verify all course
angles.
MagVar is flagged
as unreliable in the
MagVar database.
This normally occurs
when operating at high
latitudes that do not
support a Nav Angle of
Magnetic.
Verify that the geographical region
supports navigation based on
magnetic variation.
NAV ANGLE -
NAV Angles are
referenced to True
North (T).
Nav angle is set to True. No action is necessary; message is
informational only.
NAV ANGLE -
NAV Angles are
referenced to a
User set value (U).
Nav angle is set to User. No action is necessary; message is
informational only.
NON-WGS84
WAYPOINT -
See CRG. Location
may be different
than where
surveyed for [WPT].
The active waypoint is not
referenced to the WGS84
datum.
No action is necessary; message is
informational only.
OBS -
OBS is not
available due to
dead reckoning or
no active waypoint.
OBS requires an active
waypoint and is not
supported in dead
reckoning mode.
No action is necessary; message is
informational only.
PARALLEL TRACK -
Parallel track not
supported past IAF.
Parallel track is
not supported on
approaches.
No action is necessary; message is
informational only.