FlightMax EX5000
-38-
600-00105-000 Rev 01
Appendix - Nav Messages
NAV Messages &
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…
EX5000 is attempting to recon-
nect to the port that is
connected to the GPS/FMS.
Acknowledge
Nav Source is Not
Communicating
EX5000 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