Garmin G1000 PDAs & Smartphones User Manual


 
Garmin G1000 Pilot’s Guide for Cessna Nav III
190-00498-07 Rev. A
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICESINDEX
280
HAZARD AVOIDANCE
Figure 6-2 Weather Data Link (XM) Page
NEXRAD Weather
Product Selected
for Display
NEXRAD Weather
Product Symbol
NEXRAD Weather
Product Ages (US
& Canada)
WhenanXMWXproductisactiveonaMFDmap,theageofthedataisdisplayedonthescreentotherightof
theproductsymbol(Figure6-2).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6-1).
Ifforanyreason,aweatherproductisnotrefreshedwithintheExpiration Timeintervals(seeTable6-1),
thedataisconsideredexpiredandisremovedfromthedisplay.Thisensuresthedisplayeddataisconsistent
withthedataXMWXservicesiscurrentlytransmitting.Ifmorethanhalfoftheexpirationtimehaselapsed,
thecoloroftheproductagedisplayedchangestoyellow.Ifnodataisavailableforaweatherproduct,‘N/A’is
displayednexttotheweatherproductsymbol.Ifaweatherproductageisinvalid,thesystemdisplaysdashes
nexttotheproductsymbolinsteadofaproductage.
Table6-1showstheweatherproductsymbols,theexpirationtimesandtherefreshrates.Therefreshrate
representstheintervalatwhichXMWXservicesprovides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Data
LinkReceiver.WeatherdataisupdatedatintervalsthataredenedandcontrolledbySiriusXManditsdata
providers, and are subject to change.