Avidyne FlightMax EX500, Pilot'S Manual, Page: 23 / 184

Map Page Controls
600-00078-001 Rev 05 -11- Avidyne EX500/EX600 MFD
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Wx Ovly - Weather Overlay controls the type of weather
information displayed on the map. Press Wx Ovly to toggle
the display options:
◆
DL RDR - If installed and available, displays
2-Way Datalink RADAR information on the
map. 2-Way Datalink uses two-way
messaging to send your present position and flight plan
to the Avidyne Network Operations Center (NOC), which
then sends you only the data for your position or flight
plan, depending on your Datalink setup preferences.
◆
US RDR or CAN RDR - If Broadcast
Datalink is installed and available, the single
down arrow displays basic Datalink RADAR
information on the map. Storm cell movement is not
displayed. The external Broadcast Datalink receiver
receives a constant stream of weather data for the entire
United States via a satellite radio system. US RDR
displays CONUS weather. CAN RDR displays Canadian
weather.
◆
US RDR+ - If Broadcast Datalink is installed
and available (depending on your Datalink
service level), the single down arrow and
plus sign displays full Datalink RADAR for CONUS,
including storm cells.
For many operations, the EX500 displays weather data in
the same way, regardless of which Datalink system is in
use. Both systems provide datalink radar data—a
composite image depicting precipitation as seen by
multiple ground-based weather radar sites. The image is
color-coded to show intensity levels and precipitation
types. Broadcast Datalink, however, especially at a