Garmin G1000H Marine Radio User Manual


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Garmin G1000H
™
Pilot’s Guide for the Bell 407GX
190-01255-00 Rev B74
FLIGHT INSTRUMENTS
ALTITUDE ALERTING
The Altitude Alerting functionprovides visual and audioalerts when approaching the Selected Altitude.
WhenevertheSelectedAltitudeischanged,AltitudeAlertingisreset.AltitudeAlertingisbasedonthealtitude
informationshownonPFD1.AltitudeAlertingisindependentoftheAFCS.
ThefollowingoccurwhenapproachingtheSelectedAltitude:
•Uponpassingthrough1000feetoftheSelectedAltitude,theSelectedAltitudeBoxchangestoblacktexton
alightbluebackground,ashesfor5seconds,andanauraltoneisgenerated.
•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aircraftiesoutsidethedeviationband(±200feetoftheSelected
Altitude),theSelectedAltitudeBoxchangestoyellowtextonablackbackground,ashesfor5seconds,and
an aural tone is generated.
Figure 2-42 Altitude Alerting Visual Annunciations
Within 1000 feet Within 200 feet Deviation of ±200 feet
LOW ALTITUDE ANNUNCIATION
NOTE: The Low Altitude Annunciation is available only when SBAS is available. This annunciation is not
shown for unless HTAWS alerting 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 2-43 Low Altitude on GPS SBAS Approach
Altimeter
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