Garmin G1000H Marine Radio User Manual


 
190-01255-00 Rev. B
Garmin G1000H
Pilot’s Guide for the Bell 407GX
355
HAZARD AVOIDANCE
TIS ALERTS
WhenthenumberofTAsontheTrafcMapPageincreasesfromonescantothenext,thefollowingoccur:
•Asingle“Traffic” voice alert is generated.
•A‘TRAFFIC’AnnunciationappearstothetopleftoftheAttitudeIndicatoronthePFD,ashingfor5seconds
andremainingdisplayeduntilnoTAsaredetectedinthearea.
•ThePFDInsetMapisautomaticallydisplayedwithtrafc.
Toreducethenumberofnuisancealertsduetoproximateaircraft,the“Traffic” voice alert is generated only
whenthenumberofTAsincreases.Forexample,whentherstTAisdisplayed,avoiceandvisualannunciation
aregenerated.AslongasasingleTAremainsonthedisplay,noadditionalvoicealertsaregenerated.Ifasecond
TAappearsonthedisplayorifthenumberofTAsinitiallydecreasesandthensubsequentlyincreases,another
voice alert is generated.
Figure 6-89 Traffic Annunciation (PFD)
Inset Map
Displays When
TA is Detected
A“TIS Not Available” (TNA)voicealertisgeneratedwhentheTISservicebecomesunavailableorisoutof
range.TISmaybeunavailableintheradarcoverageareaduetothefollowing:
•RadarsiteTISModeSsensorisnotoperationalorisoutofservice
•TrafcorrequestingaircraftisbeyondthemaximumrangeoftheTIS-capableModeSradarsite.
•Trafcorrequestingaircraftisabovetheradarsiteintheconeofsilenceandoutofrangeofanadjacentsite.
•Trafcorrequestingaircraftisbelowradarcoverage.Inatterrain,thecoverageextendsfromabout3000
feetupwardat55miles.Terrainandobstaclesaroundtheradarsitecanfurtherdecreaseradarcoverageinall
directions.
•Trafcdoesnothaveanoperatingtransponder.
The “TIS Not Available”(TNA)voicealertcanbemanuallymutedtoreducenuisancealerting.TNAmuting
statusisshownintheupperleftcorneroftheTrafcMapPage.
Muting the “TIS Not Available” voice alert:
1) Select the Traffic Map Page.
2) Select the
TNA MUTE
Softkey. The status is displayed in the upper left corner of the Traffic Map Page.