Garmin MX20 - Page 125

Problem Possible Cause Action
LT (Lightning) flag WX500 installation Have dealer/installer
check for proper
installation of the
WX500
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 components 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.
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Detailed Operation