Pilot's Guide

Garmin G1000H
™
Pilot’s Guide for the Bell 407GX
190-01255-01 Rev. A392
HAZARD AVOIDANCE
Figure 6-113 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.
Or:
a) Press the MENU Key.
b) Select ‘‘’Not Available” Mute On’ (shown if TNA muting is currently off) and press the ENT Key.