Garmin Software Version 0767.15 Guide de l'utilisateur télécharger pdf (Page 38)

Garmin G1000 Cockpit Reference Guide for the Cessna Caravan

190-00748-05 Rev. A

GPS Navigation

Flight

InstrumentsEIS

Nav/Com/

XPDR/AudioAFCSGPS Nav

Flight

PlanningProcedures

Hazard

Avoidance

Additional

Features

Abnormal

Operation

Annun/

AlertsAppendixIndex

Altitudesassociatedwithapproachproceduresare“auto-designated”.Thismeans

thesystemwillautomaticallyusethe altitudes loadedwiththeapproachfor giving

verticalightpathguidanceoutsidethe FAF.Notethese altitudes aredisplayedas

smalllightbluetext.

Altitudesassociatedwitharrivalproceduresare“manually-designated”.Thismeans

thesystemwillnotusethealtitudesloadedwiththearrivalforgivingverticalight

pathguidanceuntildesignatedto do sobythepilot.Notethat these altitudesare

initiallydisplayedaswhitetext.Thesealtitudesmaybe“designated”byplacingthe

cursoroverthedesiredaltitudeandpressingtheENTKey.Afterdesignation,thetext

changestolightblue.

Altitudes that have been designated for use in vertical navigation may also be

made“non-designated”byplacingthecursoroverthedesiredaltitudeandpressing

theCLRKey.Thealtitudeisnowdisplayedonlyasareference.Itwillnotbeused

togiveverticalightpathguidance.Otherdisplayedaltitudesmaychangedueto

re-calculationsorrenderedinvalidasaresultofmanuallychanginganaltitudetoa

non-designatedaltitude.

NOTE: Making course changes greater than 90° during a descent with vertical

guidance may cause excessive and rapid movement of the vertical deviation

indicator, and SVS Pathways.

Thesystemupdatesverticalpathguidancecontinuouslyusinggroundspeedand

the calculated distancetothe Bottom ofDescent(BOD).  Dueto turnanticipation

guidance(turn-smoothing),distancetotheBODcanbeaffectedbycoursechanges

greaterthanapproximately5degrees.Groundspeedcanbeaffectedbyfactorssuchas

shiftsinwinddirection,aircraftpowermanagement,pitchangle,andcoursechanges.

Abruptand/orsubstantialchangestoeitherthedistancetotheBOD,groundspeed,or

bothcancausesimilarlyabrupt/substantialchangesinverticalpathguidance.

Becauseofturn-smoothing,changestobothdistancetotheBODandgroundspeed

tendtobemoreextremewhentheBODisalsoawaypointthatmarksalargecourse

change.Thesespeedanddistancechangeswillbeaccountedforinthecomputed

requiredverticalpathandreectedintheverticalguidanceindications.

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Garmin Software Version 0767.15 Guide de l'utilisateur Page 38

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