Garmin G1000 PDAs & Smartphones User Manual


 
Garmin G1000 Pilot’s Guide for Cessna Nav III
190-00498-07 Rev. A
76
FLIGHT INSTRUMENTS
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICESINDEX
ALTITUDE ALERTING
AltitudeAlertingprovidesthepilotwithavisualalertwhenapproachingtheSelectedAltitude.Wheneverthe
SelectedAltitudeischanged,theAltitudeAlerterisreset.Altitudealertingtonesandvisualalertsoccuronlyif
theGFC700isinstalled.ThefollowingoccurwhenapproachingtheSelectedAltitude:
•Uponpassingthrough1000feetoftheSelectedAltitudeanauraltoneisheard.TheSelectedAltitudechanges
toblacktextonalightbluebackgroundandashesfor5seconds.
•Whentheaircraftpasseswithin200feetoftheSelectedAltitude,theSelectedAltitudechangestolightblue
textonablackbackgroundandashesfor5seconds.
•AfterreachingtheSelectedAltitude,ifthepilotiesoutsidethedeviationband(±200feetoftheSelected
Altitude)anauraltoneisheard.TheSelectedAltitudechangestoyellowtextonablackbackgroundand
ashesfor5seconds.
Figure 2-36 Altitude Alerting Visual Annunciations
Within 1000 ft Within 200 ft Deviation of ±200 ft
LOW ALTITUDE ANNUNCIATION
NOTE: A Low Altitude Annunciation is available only when SBAS is available. This annunciation is not
shown for systems with TAWS, unless TAWS is inhibited.
WhentheFinalApproachFix(FAF)istheactivewaypointinaGPSSBASapproachusingverticalguidance,
aLowAltitudeAnnunciationmayappearifthecurrentaircraftaltitudeisatleast164feetbelowtheprescribed
altitudeattheFAF.Ablack-on-yellowLOWALTannunciationappearstothetopleftoftheAltimeter,ashing
for several seconds, then remaining displayed until the condition is resolved.
Figure 2-37 Low Altitude on GPS SBAS Approach