Nav Messages
600-00078-001 Rev 05
-149-
Avidyne EX500/EX600 MFD
11.11 Nav Messages
Table 11.12 Nav Messages
NAV Messages and
Colors
Meaning
Recommended
Pilot Action
Nav Source Data is
valid
GPS/FMS indicates that
the computed position data
is valid.
Acknowledge
Nav Source Data is
NOT valid (err=x)
Your GPS/FMS has not
computed a valid position
or is not supplying valid
data. Flight Plan will not be
presented on the Radar
display.
Check GPS for valid
position. Have
maintenance check
GPS/FMS and
installation
Nav Source: Can't
Open Port
The GPS/FMS interface
cannot open the assigned
port. Generally indicates a
configuration error.
Have maintenance
check configuration
and installation
Nav Source
Reconnecting…
EX500 is attempting to
reconnect to the port that is
connected to the GPS/
FMS.
Acknowledge
Nav Source is Not
Communicating
EX500 does not detect any
data being sent from the
GPS/FMS.
Have maintenance
check configuration
and installation
Nav Source Data
Format Error
Invalid data is coming from
your GPS/FMS. If
persistent, generally
indicates a configuration
error.
Have maintenance
check configuration
and installation
Heading Data is
NOT Valid
GPS/FMS is configured as
the Map heading source
and that data ceases to be
available or becomes
invalid.
Have maintenance
check configuration
and installation
Heading Data is
Valid
GPS navigator is
configured as the Map
heading source and that
data becomes valid
following an
acknowledgement of an
invalid message.
Acknowledge
Summary of Contents for FlightMax EX500
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