Garmin 20 Pilot's Manual page 20

Getting Started
Data Flags
8
Data Flag
Terrain coverage is not available for some part of the
terrain advisory coverage area. Terrain advisories may
not be provided.
When connected to the SL30, indicates the SL30 is not avail-
able or valid. ILS, OBS, and VORs will not be highlighted.
No valid traffic information is being received from the
optional Ryan TCAD sensor. Traffic information will
not be displayed.
Indicates that radar status information is not available
from the optional external radar transmitter head.
Radar related functionality may not be available.
Indicates that the radar is ON and transmitting RF
(Green)
energy. Appropriate precautions should be taken.
Indicates that the radar is in Hold and is transmitting
(Green Flashing)
RF energy. Appropriate precautions should be taken.
Displayed when the GDL 90 is in Ident mode.
(Green)
No valid datalink information is available from the
optional external source.
No valid terrain information is available from the
optional external source.
No valid datalink information is available from the
optional external source.
No valid TIS-A information is available from the
optional external source.
Description