Jeppesen FliteDeck 3 - Manual (Page 229)

JeppView FliteDeck User's Guide
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Legend and Age of Data
To view the age of data, click Wx on any of the pages (except the Text page and the
Terminal page does not display legend information) until the Freezing Level legend
appears (see Displaying the Legend for additional information). On the legend there
is a counter displaying the age of the data.
Data Broadcast Frequency: 5 minutes
Freezing Levels in the Profile View
The freezing level on the Profile View is seen as a white line displayed at the altitude
reported for freezing. If you come across a view where the freezing level stops at a
particular point and draws a vertical line, it means the data stops at that point and
there is no information at that location. Weather symbols are always displayed in the
Profile View as long as it is being received from your XM Weather service. At this
time, an option to hide the information is not available.