Garmin GTN 625 Pilot's Manual page 326

The example below displays an area where FIS-B data is degraded due to
Foreword
poor reception:
Getting
Started
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Figure 11-71 Example of Areas Where FIS-B Reception Is Unavailable
Traffic
Terrain
Continental US NEXRAD (CONUS)
The Display CONUS NEXRAD selection shows NEXRAD radar information
Weather
for the entire continental United States. CONUS NEXRAD data is updated every
Nearest
15 minutes.
Services/
Music
Utilities
CONUS Selected
System
On NEXRAD Key
Messages
Symbols
Appendix
Index
11-54
Figure 11-72 Weather Page With CONUS Displayed
Garmin GTN 625/635/650 Pilot's Guide
CONUS NEXRAD
Coverage Shown
Out Of CONUS
NEXRAD
Coverage
190-01004-03 Rev. F