Precipitation (Precip) Data; Com/Nav - Garmin GTN 725 Pilot's Manual

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Precipitation (PRECIP) Data

Graphical data is overlaid on the map indicating the rainfall detected by

ground based radar for a specific area. The colors indicating increasing levels

of rainfall progresses from light green for light rainfall to red for heavy rainfall.

Review the Limitations section in the front of this guide for the limitations that

apply to the Connext data. Rainfall data is color coded as follows:

Figure 12-78 Connext PRECIP Weather Map Display and Legend

The "No Coverage" color indicates that no data is available for that area, and

rainfall in that area is unknown.

When weather data is received, the airborne system will display that data for

20 minutes. If no new data has been received for a given area, the rainfall will

be removed after 20 minutes and the area will revert back to the "No Coverage"

The Connext Weather Function is based on a ground-to-air data link and

requires that the appropriate ground systems are broadcasting weather data and

the aircraft is within reception range of the Ground Broadcast Transceiver (GBT).

190-01007-03 Rev. C

GTN 725/750 Pilot's Guide

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