2-17190-00601-02 Rev. B Garmin G600 Pilot’s GuideForewordSec 1SystemSec 2PFDSec 3MFDSec 4HazardAvoidanceSec 5AdditionalFeaturesSec 6Annun.& AlertsSec 7SymbolsSec 8Glossary Appendix AAppendix BIndextype downgrades to LNAV past the final approach fix (FAF), or the approachonly supports LNAV service, “NO GP” is annunciated.Vertical Deviation SourceVertical Deviation IndicatorFigure 2-27 Vertical Deviation Indicator (GPS Source)2.7.4 Auto-SlewingThe G600 system is designed to interface with GNS navigator units and alsomanage up to four different CDI course pointers (GPS1, NAV1, GPS2, NAV2)independently. The G600 will automatically slew the NAV course pointer to thecorrect final approach course when a ILS, LOC, LOC BC, LDA or SDF approachis active in the GNS navigator and the appropriate frequency is in the activewindow in the navigator. The G600 will Auto-Slew the HSI course pointer for anILS, LOC, LOC BC, LDA or SDF approach when the steps below are completedin the following order:1) The desired approach is selected and activated in the navigator (this can beverified by the approach waypoints appearing on the GDU620 MFD Nav MapPage or FPL Page).2) The appropriate frequency is in the active window in the navigator.3) The CDI selection on the GDU 620 is changed to NAV course pointer for theactive navigator.NOTE: If the NAV course pointer is displayed for the active navigatorwhen the approach is activated and the localizer frequency is placed inthe active window, the pilot will need to switch to another CDI sourceand then back to NAV for the course pointer to Auto-Slew.For example, if NAV1 is currently selected, the pilot must:press the CDI soft key twice: NAV1>GPS1>NAV1orpress the 1-2 soft key twice: NAV1>NAV2>NAV1