Garmin DA40 GPS Receiver User Manual


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Garmin G1000 Pilot’s Guide for the Diamond DA40/40F
190-00592-06 Rev. A
344
HAZARD AVOIDANCE
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICESINDEX
Figure 6-88 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 Traffic Map Page.
Muting the “TIS Not Available” voice alert:
1) Select the Traffic Map Page.
2) Press 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.
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