Jeppesen FliteDeck 3 Instrukcja Użytkownika Strona 213

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JeppView FliteDeck User's Guide
216
Where "N/A" appears on the weather legend for a product, the data is not being
received, either because it is not broadcast, or your subscription does not include
that weather product.
Next Generation Weather Radar (NEXRAD)
NEXRAD is a Doppler radar that detects movement using the principle that radar
signals reflected from a moving object undergo a change in frequency related to the
speed of the object toward or away from the radar antenna. NEXRAD uses this
information to calculate the speed and direction of storm movement. This can be
particularly useful for identifying conditions which can eventually lead to severe
weather.
NEXRAD Overlay
To view NEXRAD on all the chart components:
1. Click the Chart Setup tab.
2. Click Weather Options.
3. Select the NEXRAD check box.
4. Click a page tab you wish to view weather.
5. Click the Wx button to display and hide weather.
NEXRAD appears over all the enroute chart views when the view is at approximately
600 nautical miles per square inch. It also appears over any selected geo-referenced
terminal chart displayed in the Terminal page. The cloud returns are more opaque
the more you are zoomed out on the enroute chart. As you zoom
in, the returns
become more transparent allowing you to view other navigational information easily.
On some tablet devices, the degree of contrast will vary, making the colors look
more or less intense as the translucency of the fill areas changes.
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