Garmin 500W Series Pilot's Manual & Reference page 62

12 - MESSAGES
ABBREVIATIONS &
NAV TERMS
G/S is not responding — (GNS 530W only) Internal
system-to-system communication between the main proces-
sor and the glideslope receiver has failed. Operational status
of the glideslope receiver is unknown and the unit should
be returned to your Garmin dealer for service.
G/S needs service — (GNS 530W only) The unit has
detected a failure in its glideslope receiver. The glideslope
receiver may still be usable, but the unit should be returned
(at your earliest convenience) to your Garmin dealer for
service.
GAD configuration required — The GAD 42 Interface
Adapter has lost the configuration information stored in its
internal memory. Any mechanical indicators connected to
your 500W-series unit are unusable and the GAD 42 should
be returned to your Garmin dealer for service.
GAD needs service — The 500W-series unit has detected a
failure in the GAD 42 interface adapter. Any mechanical indi-
cators connected to your unit are unusable and the GAD 42
should be returned to your Garmin dealer for service.
GDL 69 is not responding — No data is being received
from the GDL 69. If the problem persists, contact your
Garmin dealer for service.
GPS is not responding — Internal system-to-system
communication between the main processor and the GPS
receiver has failed. Operational status of the GPS receiver is
unknown and the unit should be returned to your Garmin
dealer for service.
GPS needs service — The 500W-series unit has detected
a failure in its GPS receiver. The GPS receiver may still be
usable, but the unit should be returned (at your earliest
convenience) to your Garmin dealer for service.
Inside airspace — Your GPS-calculated position lies
within the boundaries of a special use airspace. This mes-
sage is automatically disabled within 30 nautical miles of an
arrival airport, when an approach is loaded.
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Invalid closest pt of FPL — A closest point cannot be
created from the waypoint entered on the "Closest point
of flight plan" window. This occurs when the selected
waypoint is beyond the limits of all legs in the flight plan,
too far away, or when a unique waypoint name for the clos-
est point cannot be created.
Invalid FPL modification — An attempt was made to
modify the final course segment (FAF to MAP) of an instru-
ment approach. The 500W-series unit does not allow the
modifications.
Invalid waypoint ident — An attempt was made to
create a user waypoint with an invalid name. The 500W-
series unit does not allow spaces between characters in the
waypoint name.
Large magnetic variance — Verify all course angles
— A valid value of magnetic variation is not available for
this location. Check all course angles manually.
Loss of GPS Navigation - Use other NAV if available
— The Dead Reckoning annunciator appears on the left
side of the map display when GPS position is unavailable
and the unit is in Dead Reckoning mode. Dead Reckoning
mode will continue until GPS position is restored. If there
is no flight plan, the message will only state "Loss of GPS
Navigation."
Loss of integrity — cross-check NAV — The GPS posi-
tion does not meet necessary criteria. Use other navigation
devices to verify your position and navigation.
Low Battery - Unit Needs Service — Time data may
have been lost due to a memory battery failure
MAIN processor requires service — The 500W-series
unit has detected a failure in the main system processor.
The 500W-series unit is not usable and should be taken to
your Garmin dealer for service.
Near airspace — less than 2 nm — Your GPS-calculated
position is within 2 nautical miles of a special use airspace
boundary, but you are not projected to enter the airspace.
This message is automatically disabled within 30 nautical
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