Pilot's Guide

Garmin G1000 Pilot’s Guide for the Cessna Corvalis/Corvalis TT
190-00552-05 Rev. A
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICESINDEX
286
HAZARD AVOIDANCE
Figure 6-2 Weather Data Link (XM) Page
NEXRAD Weather
Product Enabled Icon
Cloud Tops Weather
Product Enabled Icon
Weather
Product
Ages in
Minutes
WARNING: Do not use the indicated data link weather product age to determine the age of the weather
information shown by the data link weather product. Due to time delays inherent in gathering and processing
weather data for data link transmission, the weather information shown by the data link weather product
may be significantly older than the indicated weather product age.
ForeachenabledSiriusXMWeatherproduct,thesystemdisplaysaweatherproducticonandproductage.
Theproductageistheelapsedtime(inminutes)sincetheweatherdataprovidercompiledtheweatherproduct.
Theproductagedisplaydoesnotindicatetheageoftheinformationcontainedwithintheweatherproduct,
which can be significantly older than the displayed weather product age.
TheSiriusXMWeatherservicebroadcastsweatherproductsatspecicintervals(denedintheBroadcast
RatecolumninTable6-1).Ifforanyreason,aproductisnotbroadcastwithintheExpiration Time intervals
(seeTable6-1),thesystemremovestheexpireddatafromthedisplay,andshowsdashesinsteadoftheproduct
age.  This ensures the displayed information is consistent with what is currently being transmitted by the
SiriusXMWeatherservice.Ifmorethanhalfoftheexpirationtimehaselapsed,thecoloroftheproductage
changestoyellow.Ifdataforaweatherproductisnotavailable,thesystemdisplays‘N/A’nexttotheweather
product symbol instead of the product age.
Table6-1showstheweatherproductsymbols,theexpirationtimesandthebroadcastrates.Thebroadcast
raterepresentstheintervalatwhichtheSiriusXMWeatherservicetransmitsnewsignalsthatmayormaynot
containupdatedweatherproducts.Itdoesnotrepresenttherateatwhichtheweatherinformationisupdated
orwhentheDataLinkReceiverreceivesnewdata.SiriusXManditsweatherdatasuppliersdeneandcontrol
the data update intervals, which are subject to change.