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16-17190-01004-03 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
TRUE NORTH
APPROACH -
Verify NAV Angles
are referenced to
True North (T).
A procedure is loaded
that is referenced
to true north and
the active leg has a
published true north
reference.
Verify the Nav Angle is set to True
North.
VERTICAL
CALCULATOR -
Approaching target
altitude. Start
descent.
User has configured
a vertical descent
calculation, and the
aircraft is within
60 seconds of the
calculated top of
descent.
No action is necessary; message is
informational only.
VERTICAL
CALCULATOR -
Approaching target
altitude.
User has configured
a vertical descent
calculation, and the
aircraft is approaching
the target altitude.
No action is necessary; message is
informational only.
VLOC RECEIVER -
Navigation receiver
needs service.
The nav radio is
reporting that it needs
service. The nav radio
may continue to
function.
Use GPS based navigation.
Contact dealer for service.
VLOC RECEIVER -
Navigation receiver
has failed.
The nav radio is not
communicating property
with the system.
Use GPS based navigation.
Contact dealer for service.
WAYPOINT -
Arriving at [wpt
name].
User has configured
the arrival alarm and
is within the specified
distance.
No action is necessary; message is
informational only.
Table 16-1 Messages