Garmin GNS 400W Pilot's Manual & Reference

Also see for 400W Series: Supplemental Flight manual Pilot's guide addendum Manual supplement Pilot's guide addendum Quick reference guide

Contents

Garmin GNS 400W Pilot's Manual & Reference Manual pdf 191 page image

11 - MESSAGESABBREVIATIONS &NAV TERMS181190-00356-00 Rev GSection 11Messages, Abbreviations, andNavigation TerminologyMessagesThe 400W-series unit uses a flashing “MSG” annunciatorat the bottom of the screen (directly above the MSG key) toalert you of any important information or warnings. Whilemost messages are advisory in nature, warning messagesmay require your intervention.Whenever the “MSG” annunciator flashes, press theMSG key to display the message, when pilot workloadallows. Press MSG again to return to the previous page.The following is a list of available messages and theirmeanings:ABORT APPROACh — Loss of Navigation — Executemissed approach using other navigation equipment.Airport terrain database integrity error — The400W-series unit has detected a problem with a databaseon the Terrain data card. The data is not usable and thecard should be returned to your Garmin dealer.Airspace ahead — less than 10 minutes — Your GPS-calculated course is projected to enter a special use airspacewithin 10 minutes. This message is automatically disabledwithin 30 NM of an arrival airport, when an approach isloaded.Airspace near and ahead — Your GPS-calculatedposition is within 2 NM of the boundary of a special useairspace and your course is projected to enter the airspace.This message is automatically disabled within 30 NM of anarrival airport, when an approach is loaded.All data referenced to True North — The unit does nothave a valid aviation database, so it cannot compute mag-netic variation.Approach downgraded — Use LNAV minima — Thismessage will occur 60 seconds prior to the FAF if flyingLNAV+V, L/VNAV, LP, or LPV approaches and WAASintegrity parameters have fallen below minimal limits. Asa result, vertical guidance has been discontinued and theLP, LPV, LNAV+V, or L/VNAV approach you were flying hasbeen downgraded.Approach is not active — The approach could not transi-tion to “active”, at 2 NM or closer to the FAF. Verify that“SUSP” DOES NOT appear directly above the OBS key,indicating the auto waypoint sequencing is suspended.Approaching target altitude — The current GPS-com-puted altitude is within 500 feet of the final Vertical Naviga-tion target altitude.Approaching VNAV profile — You are within one minuteof reaching the initial Vertical Navigation descent point.APR Guidance Available - Use PROC before A/P APR— For units configured with the KAP140 or KFC225autopilot, this message reminds pilots, when they turnon course to the FAF, that they need to enable autopilotoutputs (by pressing PROC and selecting “Enable A/P APROutputs?”) before switching the autopilot control panel toAPR.Arrival at waypoint [waypoint name] — You are withinthe arrival alarm circle for the indicated waypoint. The sizeof the arrival alarm circle is defined from the “CDI / alarms”menu option on the Setup Page.Audio database integrity error — The 400W-series unithas detected a problem with the built-in HTAWS AudioDatabase. HTAWS audio alerts are not available. The unitshould be returned to your Garmin dealer for service.Aviation database integrity error — The 400W-seriesunit has detected a problem with a database on the Nav-Data® card. The data is not usable and the card should bereturned to Jeppesen or your Garmin dealer for service.