190-00498-07 Rev. A
Garmin G1000 Pilot’s Guide for Cessna Nav III
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS EIS AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE AFCS ADDITIONAL
FEATURES APPENDICES INDEX
345
HAZARD AVOIDANCE
Figure 6-95 Weather Data Link (FIS-B) Page
Weather Product Symbol
Weather
Product
Data Age in
Minutes
WhenaFIS-Bweatherproductisactiveonamap,theageofthedataisdisplayed onthescreentotheright
oftheproductsymbol (Figure6-95). Theageofthe productisbased onthetime differencebetweenwhen
thedatawasassembledon thegroundandthe currentGPStime.Weatherproductsare refreshedatspecic
intervals(denedintheRefresh RatecolumninTable6-10).
Ifforanyreason,aweatherproductisnotrefreshedwithintheExpiration Timeintervals(seeTable6-10),
thedataisconsideredexpiredandisremovedfromthedisplay.Thisensuresthatthedisplayeddataisconsistent
withFIS-Bbroadcastdata. Ifmorethanhalfof theexpirationtimehas elapsed,thecolorofthe productage
displayedchangestoyellow.Thesystemdisplaysdashesinsteadofaproductagewhenaproducthasexpired.
Ifaweatherproductisnotavailableorhasnotbeenreceived,thesystemdisplays‘N/A’insteadofaproductage.
Table6-10showstheFIS-Bweatherproductsymbols,theexpirationtimeandtherefreshrate.Therefresh
raterepresentstheintervalatwhichFIS-BGBTsbroadcastnewsignalsthatmayormaynotcontainnew
weatherdata.Itdoesnotrepresenttherateatwhichweatherdataisupdatedornewcontentisreceivedby
theGDL90.