GPS 500 Pilot’s Guide and Reference
SECTION 14 – MESSAGES,
ABBREVIATIONS, & NAV TERMS
14-4
Invalid FPL modification
- An attempt was
made to modify the final course segment (FAF to
MAP) of an instrument approach. The GPS 500
does not allow the modifications.
Invalid waypoint ident
- An attempt was made
to create a user waypoint with an invalid name.
The GPS 500 does not allow spaces between
characters in the waypoint name.
MAIN processor requires service
- The GPS
500 has detected a failure in the main system
processor. The GPS 500 is not usable and should
be taken to a Garmin dealer for service.
Memory battery low
- The internal battery
that sustains user memory is low and should be
replaced by a Garmin dealer as soon as possible.
Failure to do so may result in loss of stored
data, including flight plans, user waypoints, unit
settings, and satellite data.
Near airspace -- less than 2 nm
- The GPS-
calculated position is within 2 nm of a special
use airspace boundary, but the aircraft is not
projected to enter the airspace. This message is
automatically disabled within 30 nm of an arrival
airport, when an approach is loaded.
Need altitude - display position page
- The
GPS receiver needs altitude input in order to
start and/or continue 2D navigation. Select the
Position Page and verify the altitude reading. If
the altitude is in error by more than 500 feet,
enter the current altitude as accurately as possible.
An inaccurate altitude directly translate into
inaccurate position information.
No altitude input is being received
- No
altitude data is being received from RS-232
(Serializer: Icarus, Rosetta or Shadin) or grey code
inputs. If the problem persists, contact a Garmin
dealer and check the installation and installation
settings. When this message occurs, no pilot
action is required if enough satellites are available
for a 3D position fix (provided no RAIM warnings
are present). However, if only a 2D position fix
is possible, the pilot should maintain the GPS
altitude within 1,000 feet of pressure altitude by
entering the altitude on the Position Page.
No basemap data available
- The GPS 500 has
detected a failure in the built-in basemap (
land
data) memory. Land data does not appear on
the
Map Page. Other unit functions continue to
work normally, however the GPS 500 should be
taken to a Garmin dealer for service at the earliest
convenience.
Not receiving input data on 429 Channel 1
- No data has been received on the ARINC 429
channel 1 connection for a period exceeding five
seconds. If the problem persists, the installation
should be checked by a Garmin dealer.
Not receiving input data on 429 Channel 2
- No data has been received on the ARINC 429
channel 2 connection for a period exceeding five
seconds. If the problem persists, the installation
should be checked by a Garmin dealer.
Not receiving input data on 232 Channel 1
-
No data has been received on the RS-232 channel
1 connection for a period exceeding ten seconds.
If the problem persists, the installation should be
checked by a Garmin dealer.
190-00181-60 Rev. G
Summary of Contents for GPS 500
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