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Appendix
Problem Possible Cause Action
TER (Terrain) flag Terrain database
Altitude source
Ensure that the proper database is
used for your location and it passed
the startup test
Have dealer/installer check for
proper altitude input
No traffic display ADS-B system installation You must have the ADS-B system
installed
If you do have an ADS-B system,
check the antennas and other com-
ponents for proper operation
Have dealer/installer check for
proper MX20 setup
“Special Terrain” message Capstone/General Aviation setup This is normal for the Capstone
installation
Have dealer/installer check for
proper MX20 setup
TCAD flag TCAD Installation Ensure that the TCAD unit is
installed and functional.
SKYW flag Skywatch Installation Ensure that the Skywatch unit is
installed and functional.
RDR (Amber) flag Radar Installation Ensure that the Radar unit is
installed and functional.
LINK flag FIS Sensor Installation Ensure that the FIS unit is installed
and functional.
Troubleshooting