Garmin GTN 750 Pilot's Guide - Page 253

12.1.4 XM Weather Symbols and Product Age Foreword The weather product symbols, the expiration time and the refresh rate are shown in the following tables. The refresh rate represents the interval at which XM Getting Satellite Radio broadcasts new signals that may or may not contain new weather Started data. It does not represent the rate at which weather data is updated or new content Audio & is received by the Data Link Receiver. Weather data is refreshed at intervals that are Xpdr Ctrl defined and controlled by XM Satellite Radio and its data vendors. Com/Nav Weather Product NEXRAD (NEXRAD and Echo Top are Mutually Exclusive) Echo Top (Cloud Top and Echo Top Mutually Exclusive) (NEXRAD and Echo Top Mutually Exclusive) Cloud Top (Cloud Top and Echo Top Mutually Exclusive) XM Lightning Cell Movement SIGMETs / AIRMETs METARs City Forecast WX Forecast Freezing Levels Winds Aloft County Warnings Cyclone Warnings Icing Potential (Icing) (SLD) Pilot Weather Report (PIREP) Expiration Time (Minutes) 30 30 Refresh Rate (Minutes) 5 (U.S.) 10 (Canada) 7.5 FPL Direct-To Proc Charts 60 15 Wpt Info Map 30 5 30 1.25 Traffic 60 12 Terrain 90 12 90 12 Weather 60 12 60 12 Nearest 60 12 Music 60 5 60 12 Utilities 90 22 System 90 12 Messages (Blue - Regular, Yellow - Urgent) Air Report (AIREP) Turbulence Symbols 90 12 180 12 Appendix 190-01007-03 Rev. B Garmin GTN 725/750 Pilot's Guide 12-7 Index