IFD400 Series Pilot Guide
3-22 Map Subsystem
The Wx Overlay page is segmented into groupings of products.
Products selected for overlay are indicated by a green lamp. Note
that the products in the “Weather Layers” group are mutually
exclusive. The table below represents the possible set of products
available. Products that are not available due to the device type or
subscription level will not be displayed as selectable choices.
NOTE
ADS-B (FIS-B) US Weather Radar Data is Coarse
When compared to subscription Datalink service data
and even ADS-B Regional data, the CONUS weather
radar data appears as a noticeably coarser depiction –
this is a function of the supplied data.
NOTE
Weather Source Selection
An individual IFD can only display weather data from
one source (e.g. SkyTrax100, GDL-69). The supported
provider/device is assigned at time of installation.
For dual IFD installations with more than one type of
weather source, one weather source must be wired to
the first IFD only and the other weather source must be
wired to the second IFD only.
Weather Product
Grouping Title/Category
Possible Selections Within the
Grouping
Datalink radar
Storm Cells
Icing (incl. SLD and Probability)
Winds Aloft
Cloud Tops
Turbulence
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