Garmin GTN 625 Pilot's Manual Upgrade Supplement page 73

Message
Foreword
VLOC RECEIVER -
Getting
Navigation receiver
Started
has failed.
Audio &
Xpdr Ctrl
VLOC RECEIVER -
Com/Nav Navigation receiver
needs service.
FPL
Direct-To
VNAV -
Unable to reach
Proc
vertical waypoint.
Wpt Info
VNAV -
Map
Unavailable.
Upcoming flight
Traffic
plan leg not
supported.
Terrain
VNAV -
Weather
Unavailable.
Nearest
Excessive
crosstrack error.
Services/
Music
VNAV -
Unavailable.
Utilities
Excessive track
angle error.
System
VNAV -
Messages
Unavailable.
Symbols
Parallel course
selected.
Appendix
Index
16-24
Description
The nav radio is
not communicating
property with the
system.
The nav radio is
reporting to the GTN
that it needs service.
The nav radio may
continue to function.
Current altitude
constraint cannot be
reached based on
current ground and
vertical speeds.
The lateral flight plan
contains a procedure
turn, vector, or other
unsupported leg type
prior to the active
vertical waypoint.
Current crosstrack
exceeds limit, causing
vertical path guidance
to become invalid.
Current track angle
error exceeds limit,
causing vertical path
guidance to become
invalid.
Selecting a parallel
course causes vertical
path guidance to
become invalid.
GTN 625/635/650 Pilot's Guide
Action
Use GPS based navigation. Contact
dealer for service.
Use GPS based navigation. Contact
dealer for service.
Attempt to intercept vertical path
by adjusting aircraft altitude.
Treat the flight plan segments
before and after the affected leg as
separate vertical profiles. The GTN
cannot provide automatic guidance
between the two segments.
Navigate within 10 nm of flight
plan centerline, or edit flight plan
to allow for vertical navigation.
Navigate within 70° of active flight
plan course.
Disable parallel track if vertical
path guidance is desired.
190-01004-03 Rev. N