Garmin GTN 725 Cockpit Reference Manual page 91

Message
MAGNETIC
NORTH
APPROACH -
Verify NAV angles
are referenced
to magnetic
north (magnetic
variation).
MAGNETIC
VARIATION -
Aircraft in area
with large mag var.
Verify all course
angles.
MARK ON
TARGET -
Waypoint creation
has failed. MOT
requires GPS
position.
NAV ANGLE -
NAV Angles are
referenced to a
User set value (U).
NAV ANGLE -
NAV Angles are
referenced to True
North (T).
190-01007-04 Rev. L
Description
The NAV angle is not set to
Magnetic and a magnetic
approach is loaded.
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.
Mark on target waypoint
creation has failed because
of missing GPS position.
NAV angle is set to User.
NAV angle is set to True.
GTN 725/750 Cockpit Reference Guide
Action
Change NAV angle setting to Magnetic.
Verify that the geographical region
supports navigation based on magnetic
variation.
Wait for GPS satellite geometry to
improve. Ensure the aircraft has a clear
view of the sky. Reattempt waypoint
creation. Contact dealer for service.
No action is necessary; message is
informational only.
No action is necessary; message is
informational only.
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